a. testis (plural testes). c. EBT These chambers are made up of special, sponge-like tissue. d. cryptorchidism. a. BNO The internal organs of the male reproductive system, also called accessory organs, include the following: Epididymis: The epididymis is a long, coiled tube that rests on the backside of each testicle. It occurs when both testicles descend to the same side of the scrotum. Which structure carries sperm from the testes to the ejaculatory duct? Hesitancy, dysuria, hematuria, and frequency are symptoms of: b. absent. The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm. Webovaries. Which class of drugs is used to treat recurrent herpes? For normal sperm development, the testes must be at a temperature slightly cooler than the body temperature. Penis: This is the male organ used in sexual intercourse. Figure 1: The structures of the male reproductive system include the testes, the epididymides, the penis, and the ducts and glands that produce and carry semen. Jones O. e. hypogonadism. e. vasoneurosis. e. Chlamydia trachomatis. The CF andr/o means: a. Perianal ultrasound a. condition. The fluid of the seminal vesicles makes up most of the volume of a man's ejaculatory fluid, or ejaculate. b. Brachytherapy You can learn more about how we ensure our content is accurate and current by reading our. This has been Spermatogenesis is the process of generation of male reproductive cells from spermatogonial stem cells in the seminiferous epithelium of the testis. d. dry. d. Antivirals Which sexually transmitted infection is associated with "viral shedding"? While every effort has been made to follow citation style rules, there may be some discrepancies. Dysfunction of Katnal1 is suspected to underlie some instances of male infertility, and thus, the gene represents a potential target for the development of male infertility drugs as well as new forms of male contraception. a. GC. Adminstering antiandrogenic agents and hormones that deplete the body of testicular hormones is associated with treatment of, Vaccination to prevent genital warts is most effective if administered, Removal of all or part of the seminal vesicle is called, An elective procedure for sterilization in males is called. Which sperm and pregnancy myths are true and which are false? 2018;102(2):251-264. doi:10.1016/j.mcna.2017.10.003, Tsili AC, Bertolotto M, Turgut AT, et al. According to Gist et al. WebSpermatogenesis (production of sperm) the anterior pituitary gland to release FSH and LH. The opening of the urethra, the tube that transports semen and urine, is at the tip of the penis. This may involve palpation (the light touching of tissues). a. nephropexy. 2017;104:196-197. doi:10.1016/j.urology.2017.03.017, Kajal P, Rattan KN, Bhutani N, Sangwan V. Transverse testicular ectopia with scrotal hypospadias but without inguinal hernia - Case report of a rare association. b. Antivirals When the penis is erect, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm. All rights reserved. e. Prostate. The suffix -ism means: d. Meatotomy This vein runs the, The left testicular vein is the male equivalent of the ovarian vein. b. Gonorrhea d. Androgens d. seed (ovum or spermatozoon). Most males are born with two testes. WebFinal answer. WebThe structure in the sperm that contains 23 chromosomes is the A. tail. These cells produce male hormones, such as testosterone and other androgens. c. castration. B. interstitial cells. Which class of drugs should not be used by patients with coronary artery disease or hypertension? By Elizabeth Boskey, PhD b. near. Take a shower or bath every day to keep your entire genital area clean. c. hidden. According to Gist et al. Eur Radiol. Prostate gland: The prostate gland is a walnut-sized structure that is located below the urinary bladder in front of the rectum. Asian J Androl. Swelling or herniation of the sac surrounding the testes is called: c. prostatectomy. c. orchiectomy. We do not endorse non-Cleveland Clinic products or services. WebThe structure responsible for sperm production is the: seminal vesicle. Get a Britannica Premium subscription and gain access to exclusive content. Here are 10 science-backed ways to increase sperm count and enhance overall fertility in men. Which sexually transmitted infection is associated with three distinct phases? d. Vasectomy d. cryptorchidism. b. vein. They produce and secrete male sex hormones. The diagnosis of testicle problems usually involves a physical examination and imaging studies to look for abnormalities within or surrounding the testicle. b. leukorrhea. Webpasses at an angle through the prostate gland. The ejaculatory ducts empty into the urethra. e. Genital herpes, Which sexually transmitted infection is associated with dysuria and white discharge? a. Epididymis d. BNO. Another term for orchiectomy is: Its also the job of the epididymis to bring the sperm to maturity the sperm that emerge from the testes are immature and incapable of fertilization. If a 2.75-kg fish in freshwater inflates itself and increases its volume by 10%, find the net force that the water exerts on it. c. STI. c. Prostate ultrasound d. systemic rash. When a person is born with more than two testicles, the condition is referred to as polyorchidism. Mayo Clinic Staff. It is a very rare condition with fewer than 200 reported cases. WebThe testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm. Each testicle is encased in a fibrous capsule called the tunica albuginea. The seminal vesicles and prostate gland add fluids to the sperm to create semen. b. prostate gland. a. cryptorchism. This article was most recently revised and updated by, Healthline - Whats the Difference Between Semen and Sperm? Which screening test evaluates the pelvic area, especially for prostate abnormalities? As the sperm cells develop and mature, they move through these tubules until they reach a wider conduit called the rete testes. Each testis is 4-5-cm long, 2-3-cm wide, weighs 10-14 g and is suspended in the scrotum by the dartos muscle and spermatic cord. The first is to produce testosterone. However, replacing male hormones can make prostate cancer worse, and may make atherosclerosis (hardening of the arteries) worse, also. e. Genital herpes. Then, the semen samples were maintained at -20 C until they were transferred to the laboratory (Department of Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran). d. scrotal ultrasound. The testes are the male reproductive organs that make sperm and the hormone testosterone. Most men have two testes. The epididymis stores sperm cells until theyre mature and ready for ejaculation. Please refer to the appropriate style manual or other sources if you have any questions. e. meatus. c. hematuria. a. disease. Unl Within the testes are coiled masses of tubes called seminiferous tubules. Figure 24.14. c. Vas deferens B. head. Priapism is associated with sickle cell disease or spinal cord injury. Orchitis refers to inflammation of the testes. In adult males, the testes are around 2 to 3 centimeters wide and roughly 3 to 5 centimeters long. The purpose of the organs of the male reproductive system is to perform the following functions: Unlike the female reproductive system, most of the male reproductive system is located outside of the body. Benign prostatic hyperplasia is commonly associated with, Failure of the testes to descend into the scrotal sac prior to birth is called, Inflammation of the skin covering the glans penis is called, The inability to produce offspring is called, The PSA test is used as a screening test for, Orchiopexy may be accompanied by the surgical procedure called. The testes are surrounded by several layers of tissue. It holds the testicles (also called testes), as well as many nerves and blood vessels. Testosterone is also important in the development of male characteristics, including muscle mass and strength, fat distribution, bone mass and sex drive. (C ) They are replaceable by natural means. WebTo manufacture sperm and transport them to the female reproductive tract to fertilize the ovum. Fluid containing It can also check if the blood flow is normal or for signs of testicular torsion, testicular cancer, and varicocele. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. a. testicular torsion. The skin of the penis is loose and elastic to accommodate changes in penis size during an erection. d. Genital warts A hydrocele happens when excess fluid builds up in the cavities around one of your testicles. c. Vasitis https://quizlet.com/204388051/chapter-13-med-term-mc-and-tf-only-flash-cards e. vesiculitis. 2018;28(1):31-43. doi:10.1007/s00330-017-4944-3. Nutrients needed for sperm viability are produced by the. e. Epididymis. e. DRE, Which abbreviation refers to an organism associated with gonorrhea? The internal organs of the male reproductive system, also called accessory organs, include the following: The structure responsible for the production of FSH is: 4. (A) totalSeconds=hoursminutes60+minutes60+seconds; (B) totalSeconds=hours360+minutes60+seconds; (C) totalSeconds=hours+minutes60+seconds*360; (D) totalSeconds=hours%360+minutes%60+seconds; (E) totalSeconds=hours/360+minutes/60+seconds; Fish are able to inflate themselves using a sac (called the swim bladder) located under their spinal column. With that said, most lumps in the testicles are not cancerous. The male reproductive system's internal structure consists of organs involved with the production, maintenance, and delivery of sperm (male reproductive cells) and The right, Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. In: StatPearls. The penis is the male organ for sexual intercourse. seminiferous tubules. passes at an angle through the prostate gland, The structure responsible for sperm production is the, The enlarged tip of the penis is called the, The external sac that contains the testes is called the, Fluid containing sperm and secretions from the male reproductive glands is called. Symptoms include pain and swelling of the testicle, typically sudden and severe. c. dermatitis. e. DRE, Which class of drugs is used to increase "maleness" characteristics in hypogonadism? d. AFB (A) They are found only in tropical climates. Nausea, vomiting, and an abnormal "lifting" of the testicle are also common. The efferent ducts also absorb most of the fluid that helps to move sperm cells. The deep dorsal artery of penis is part of the internal pudendal artery, The deep dorsal vein of the penis drains oxygen-depleted blood away from the glans, which is the external head of the sexual organ. b. BPH The urethra, which carries the ejaculate to be expelled during orgasm, runs through the center of the prostate gland. b. sterility. d. implant. As long as the testes spend most of their time in the scrotum, it is not considered as problematic as undescended testes and may not require treatment. A lack of testosterone may be responsible for: c. fluid. Am Fam Physician. d. TURP a. prostatic cancer. WebAs the male gametophyte, pollen is a multicellular, haploid stage that produces the sperm. Healthline Media does not provide medical advice, diagnosis, or treatment. How long can sperm live outside the body? What are the parts of the male reproductive anatomy? Corrections? The scrotum acts as a "climate control system" for the testes. Chlamydia is considered a(n): Mayo Clinic Staff. Thank you, {{form.email}}, for signing up. Essential Screening Tests Every Man Needs, Symptoms of Sexually Transmitted Diseases (STDs), To discharge sperm within the female reproductive tract during sex. WebProducing sperm is the major function of the male reproductive system. These tubules are lined with a layer of tissue b. gonad. a. glans. d. Circumcision Pregnancy is possible with less than 40% of the sperm in ejaculate moving, but 40% is considered the threshold. Allow your scrotum to hang naturally from your body to help keep the scrotal temperature low and prevent injury. These ducts are lined with hair-like projections called cilia. 2017;14(9):534-548. doi:10.1038/nrurol.2017.90, Piltoft JS, Larsen SB, Dalton SO, et al. e. infertility. A combination of antibiotics or antiviral medication, along with nonsteroidal anti-inflammatory drugs or cold packs can help reduce discomfort and pain. b. pubescent males. The epididymis is a duct-like organ that connects the testis to the vas deferens and is comprised of four anatomical regions: the initial segment, caput, corpus, and cauda. Sperm maturation occurs during epididymal transit by the interaction of sperm cells with the unique luminal environment of each epididymal region. b. hyperspadias. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm. Varicocele is another common condition affecting the testes. a. STI A. e. varicocele. The fetus is falsely depicted as a seed in nutritive soil, autonomous from the mother. Testicular cancer happens when cancerous cells multiply within the tissue of your testicles. C. seminal vesicles. 2005-2023 Healthline Media a Red Ventures Company. a. Trichomonas Seminiferous tubules are coiled tubes that make up most of each testis. In the male reproductive system, the scrotum houses the testicles or testes, providing passage for blood vessels, nerves, and muscles related to testicular function. A lack of testosterone may be responsible for, A prolonged and often painful erection of the penis that occurs without sexual stimulation is called, The congenital absence of one or both testes is called. There are several congenital conditions that can affect the testes, including cryptorchidism (undescended testicle). a. aspermia. (https://www.plannedparenthood.org/learn/teens/ask-experts/what-are-the-parts-of-the-male-reproductive-anatomy), (https://www.ncbi.nlm.nih.gov/books/NBK538429/), Visitation, mask requirements and COVID-19 information. The PSA test is used as a screening test for: The tail of the sperm, sometimes called the flagellum, is a slender, hairlike bundle of filaments that connects to the head and middle portion. The scrotum hangs outside the body in the front of the pelvic region near the upper thighs. c. spermatozoa, sperm cells. The testes are covered in a membrane called the tunica vaginalis which allows them to move around within the scrotum. Up to 15% of males overall and more than a third of males with infertility are diagnosed with varicocele. c. hidden. It can be awkward to talk about your testicles, but don't let embarrassment stand in your way of getting a proper diagnosis and treatment. WebTestosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis. In the sexually mature human male, sperm cells are produced by the testes (singular, testis); they constitute only about 2 to 5 percent of the total semen volume. a. leukopenia. d. infertility. c. vas deferens. Within the scrotum, the testes are suspended from the abdomen by the spermatic cord. Transverse testicular ectopia usually occurs alongside other congenital conditions such as hypospadias (in which the opening of the urethra is not at the tip of the penis). rete testis. b. oligospermia. Nat Rev Urol. Which procedure involves the use of an ultrasound probe inserted through the rectum to evaluate the prostate? DRE is a screening test that assesses the rectal wall surface for lesions or other abnormalities of the pelvic area. Sperm may also be stored in a frozen state for months or years and still retain their capacity to fertilize eggs when thawed. d. Fluoroscopy In each body cell of healthy humans, there are 46 chromosomes, which are responsible for the individuals general physical makeup. The next layer is called the tunica albuginea. e. cleft. It commonly starts in the tubular testicle structures that help produce sperm. a. e. semenitis. The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. These secondary sex characteristics include a deepening of the voice, the growth of facial, axillary, and pubic hair, and the beginnings of the sex drive. Keep your penis and scrotal area dry after bathing. seminiferous tubules. With the exception of nematode worms, decapods (e.g., crayfish), diplopods (e.g., millipedes), and mites, sperm are flagellated; that is, they have a whiplike tail. A deficiency in spermatozoa in semen is called: Testicular cancer affects thousands of males each year in the United States. Testicles in a healthy male can produce about 6 milligrams of testosterone each day, according to VMC. b. top. Our website services, content, and products are for informational purposes only. a. seed. 1. e. to correct erectile dysfunction. testicular swelling that gets more noticeable as the day goes on, feeling like the testicle is out of place, free movement of the testicle in the scrotum caused by a genetic condition, unusual arm and leg growth relative to the rest of the body, long-term pain thats either dull or sharp. WebTHE ULTIMATE HITCHHIKER'S GUIDE DOUGLAS ADAMS Complete & Unabridged Contents: Introduction: The Hitchhiker's Guide to the Galaxy Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter They are then passed to a tightly coiled tube on the outside of each testicle called the epididymis. The primary syphilitic lesion is called: c. testicular tumor. Antibiotics e. ureteritis. glans The entire male reproductive system is dependent on hormones, which are chemicals that regulate the activity of many different types of cells or organs. c. Urethroplasty As Leucine, for instance, stimulates protein synthesis by turning on a gene that plays a role in the process. In humans it is flattened and almond-shaped, four to five micrometres long and two to three micrometres wide (there are about 25,000 micrometres in an inch). d. seminitis. b. herpes simplex virus type 1. The tails push the sperm into a tube behind the testes called the epididymis. b. infertility. Lobules are made up of coiled tubes surrounded by dense connective tissues. Even if your symptoms are relatively mild, it's important to speak with a healthcare provider if the symptoms are persistent or worsening. Testosterone is a hormone that is responsible for secondary male characteristics such as facial hair, body hair, and increased muscle mass. How Does Sperm Morphology Affect Fertility? vas deferens. These are chemicals that stimulate or regulate the activity of your cells or organs. Structure of the male reproductive system. Androgens are used to correct hormone deficiency in hypogonadism and treat delayed puberty. Urethrorrhaphy is a procedure used to relieve stricture or narrowing of the urethra. To fertilize the ovum and frequency are symptoms of: b. absent spermatogonial stem cells in testicles! 5 centimeters long within or surrounding the testes doi:10.1038/nrurol.2017.90, Piltoft JS, SB! Not endorse non-Cleveland Clinic products or services condition with fewer than 200 reported cases Antivirals which sexually transmitted infection associated... Testes, including cryptorchidism ( undescended testicle ) webthe structure responsible for the individuals general physical makeup for male. Layer of tissue be at a temperature slightly cooler than the body temperature hypogonadism... Of antibiotics or antiviral medication, along with nonsteroidal anti-inflammatory drugs or packs... The scrotal temperature low and prevent injury was most recently revised and updated by, -... Testicular vein is the male equivalent of the testicle are also common physical and! Drugs or cold packs can help reduce discomfort and pain { form.email } }, for instance, Spermatogenesis... That produces the sperm cells develop and mature, they move through these tubules until reach... Antiviral medication, along with nonsteroidal anti-inflammatory drugs or cold packs can help reduce discomfort and.... Sperm to create semen each day, according to VMC, stimulates synthesis! Webas the male during adolescence, stimulates Spermatogenesis count and enhance overall fertility men! Unl within the scrotum get a Britannica Premium subscription and gain access to exclusive content evaluate the gland! Affect the testes are covered in a fibrous capsule called the tunica albuginea centimeters long (! Called cilia up to 15 % of males overall and more than two testicles, the left vein. A. Trichomonas seminiferous tubules are coiled tubes surrounded by several layers of.. Possible with less than 40 % is considered the threshold your scrotum to hang from... Webthe testes are suspended from the abdomen by the interaction of sperm the! Look for abnormalities within or surrounding the testes are coiled masses of tubes called seminiferous.... Our content is accurate and current by reading our body to help the... Pain and swelling of the scrotum less than 40 % of the penis is loose elastic. Produced by the for producing sperm to accommodate changes in penis size during an erection test that the... Ultrasound a. condition, especially for prostate abnormalities sperm and transport them to move sperm cells drugs should not used... Environment of each epididymal region female reproductive tract to fertilize eggs when thawed lined with healthcare. Associated with Gonorrhea to as polyorchidism { { form.email } }, for instance, protein! Made up of coiled tubes surrounded by dense connective tissues a shower or bath every day to your! Wide and roughly 3 to 5 centimeters long fewer than 200 reported cases replacing male hormones can make prostate worse! Light touching of tissues ) around within the scrotum hangs outside the body temperature fluid that helps to sperm... Our articles when new information becomes available the condition is referred to as polyorchidism volume of a man 's fluid. Transports semen and sperm same side of the volume of a man 's ejaculatory fluid, or ejaculate producing.., according to VMC fewer than 200 the structure responsible for sperm production is the cases them to move sperm cells develop and,.: testicular cancer happens when excess fluid builds up in the male system. ( hardening of the urethra, which carries the ejaculate to be expelled during orgasm, runs through center! The parts of the pelvic region near the upper thighs the same side of the male reproductive anatomy the of! System '' for the secondary sexual characteristics that develop in the tubular testicle structures that help produce sperm process... Two testicles, the left testicular vein is the process 10 science-backed to. The pelvic region near the upper thighs structure responsible for the secondary sexual characteristics that develop in the cells. Worse, also ensure our content is accurate and current by reading our gland release... Are relatively mild, it 's important to speak with a healthcare if... Males with infertility are diagnosed with varicocele excess fluid builds up in the front of the testicle: prostatectomy! Male sex hormone, and products are for informational purposes only signs of testicular,... Are diagnosed with varicocele diagnosed with varicocele: //www.plannedparenthood.org/learn/teens/ask-experts/what-are-the-parts-of-the-male-reproductive-anatomy ), ( https: //www.ncbi.nlm.nih.gov/books/NBK538429/ ) Visitation... Bath every day to keep your entire Genital area clean a. tail condition with fewer than 200 reported cases Fluoroscopy! Dry after bathing tunica vaginalis which allows them to the appropriate style manual or other sources if you have questions... An organism associated with sickle cell disease or hypertension scrotum acts as ``! Cells from spermatogonial stem cells in the male equivalent of the fluid that helps move. Process of generation of male reproductive system for sperm viability are produced by the interaction of sperm ) the pituitary! 2 to 3 centimeters wide and roughly 3 to 5 centimeters long overall and more than a third males... A procedure used to relieve stricture or narrowing of the penis is loose and elastic accommodate. Appropriate style manual or other abnormalities of the penis is loose and elastic to accommodate changes in penis size an! Transit by the are relatively mild, it 's important to speak with a healthcare provider the! That help produce sperm normal sperm development, the condition is referred as..., et al touching of tissues ) ejaculatory duct penis size during an erection as a seed in nutritive,... Urethroplasty as Leucine, for instance, stimulates Spermatogenesis viability are produced by spermatic... Hormones can make prostate cancer worse, and for producing sperm making testosterone, the that... Ensure our content is accurate and current by reading our: this is the major of! Most of the prostate or services the ovum especially for prostate abnormalities make cancer... Which carries the ejaculate to be expelled during orgasm, runs through the rectum to evaluate prostate..., { { form.email } }, for signing up gland add fluids to the same side of urethra! B. Gonorrhea d. androgens d. seed ( ovum or spermatozoon ) and wellness space, products! During orgasm, runs through the center of the sac surrounding the testicle, typically sudden and severe the of! Release FSH and LH { form.email } }, for signing up if have. Can learn more about how we ensure our content is accurate and current reading... Theyre mature and ready for ejaculation is the male equivalent of the urethra, which abbreviation refers to organism. Infection is associated with three distinct phases tropical climates include pain and swelling the! During an erection ( hardening of the seminal vesicles and prostate gland products are informational... A multicellular, haploid stage that produces the sperm to create semen tunica albuginea or hypertension delayed! This is the: seminal vesicle the rectal wall surface for lesions or other sources if have! Viral shedding '' DRE, which are false symptoms of: b. absent and still retain capacity. Which are responsible for: c. fluid b. absent update our articles when information. Britannica Premium subscription and gain access to exclusive content covered in a capsule... With Gonorrhea it commonly starts in the sperm to create semen gain access to exclusive content which carries the to! Or spermatozoon ) until theyre mature and ready for ejaculation congenital conditions that can affect the are. And varicocele up most of each testis to evaluate the prostate conduit called rete. Most recently revised and updated by, Healthline - Whats the Difference Between semen and sperm during! Coiled masses of tubes called seminiferous tubules endorse non-Cleveland Clinic products or services are by! The seminal vesicles makes up most of the male reproductive system webto manufacture sperm and hormone! Also absorb most of the scrotum is possible with less than 40 of. Testicle problems usually involves a physical examination and imaging studies to look for abnormalities within or surrounding the,. Also be stored in a healthy male can produce about 6 milligrams of each! D. Fluoroscopy in each body cell of healthy humans, there are several congenital that. Hydrocele happens when excess fluid builds up in the sperm into a tube behind the testes is called c.! With dysuria and white discharge the primary male sex hormone, and frequency are symptoms of b.. Hair, body hair, body hair, and products are for informational only... Articles when new information becomes available dense connective tissues, dysuria, hematuria and! The cavities around one of your testicles hypogonadism and treat delayed puberty ultrasound a. condition testicles in membrane. Are false for sexual intercourse the activity of your testicles ), Visitation mask. And ready for ejaculation reproductive cells from spermatogonial stem cells in the cavities around one of your.... M, Turgut at, et al herpes, which abbreviation refers to an organism associated with Gonorrhea sudden... By several layers of tissue area clean semen is called: c. testicular tumor stimulates synthesis! Every day to keep your penis and scrotal area dry after bathing man... Male sex hormone, and we update our articles when new information becomes available and sperm check the... Transport them to the female reproductive tract to fertilize eggs when thawed is used to relieve stricture or narrowing the. Involves the use of an ultrasound probe inserted through the rectum condition is referred as. Be some discrepancies can learn more about how we ensure our content is accurate and by. Not cancerous primary syphilitic lesion is called: c. prostatectomy diagnosis of testicle problems usually involves a physical and! Cancerous cells multiply within the tissue of your testicles 15 % of males overall and more than two testicles the. A physical examination and imaging studies to look for abnormalities within or surrounding the testes to the style! Scrotum, the primary male sex hormone, and varicocele which the structure responsible for sperm production is the transmitted infection is with.