FACTOID # 34: Ethiopians are by far the most agricultural people on earth (both men and women)
 
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Encyclopedia > Internal urethral orifice
Internal urethral orifice
Urinary bladder
The interior of bladder.
Gray's subject #255 1232

The internal urethral orifice is placed at the apex of the trigonum vesicae, in the most dependent part of the bladder, and is usually somewhat crescentic in form; the mucous membrane immediately behind it presents a slight elevation, the uvula vesicae, caused by the middle lobe of the prostate. Image File history File links Illu_bladder. ... A bladder is a pouch or other flexible enclosure with waterproof or gasproof walls. ... The mucous membranes (or mucosae; singular: mucosa) are linings of ectodermic origin, covered in epithelium, and are involved in absorption and secretion. ... Male Anatomy The prostate is an exocrine gland of the male mammalian reproductive system. ...


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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. eMedicine is an online clinical medical knowledge base that was founded in 1996. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ...

Male reproductive system
Urethra (Prostatic, Intermediate, Spongy) | Prostatic utricle | Urethral crest | Prostatic sinus | Internal urethral orifice | External urethral orifice | Urethral gland

Testes | Scrotum  | Perineal raphe | Dartos | External spermatic fascia | Internal spermatic fascia, Tunica vaginalis | Appendix testis | Appendix of the epididymis | Mediastinum testis | Lobules of testis | Spermatic cord | Epididymis  It has been suggested that this article or section be merged into sex organ. ... Female anatomy In anatomy, the urethra is a tube which connects the urinary bladder to the outside of the body. ... The prostatic urethra, the widest and most dilatable part of the canal, is about 3 cm. ... The intermediate part of male urethra (membranous portion) is the shortest, least dilatable, and, with the exception of the external orifice, the narrowest part of the canal. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... The external urethral orifice (urinary meatus) is placed about 2. ... Human male anatomy The testicles, or testes (singular testis), are the male generative glands in animals. ... In some male mammals, the scrotum is a bag of skin and muscle containing the testicles. ... The dartos is a layer of smooth muscular fiber. ... The external spermatic fascia (intercrural or intercolumnar fascia) is a thin membrane, prolonged downward around the surface of the cord and testis. ... The internal spermatic fascia (infundibuliform fascia) is a thin layer, which loosely invests the cord; it is a continuation downward of the transversalis fascia. ... This page meets Wikipedias criteria for speedy deletion. ... The Appendix testis is a vestigial remnant of the Müllerian duct present on on the upper testis attached to the tunica vaginalis about 90% of the time. ... On the head of the epididymis is a second small stalked appendage (sometimes duplicated); it is named the appendix of the epididymis (pedunculated hydatid), and is usually regarded as a detached efferent duct. ... Male Anatomy The spermatic cord is the name given to the cord-like structure formed by the vas deferens and surrounding tissue (veins, arteries, nerves, and lymphatic vessels) that run from the abdomen down to each testicle. ... Male Anatomy The epididymis is part of the human male reproductive system and is present in all male mammals. ...


Seminiferous tubules | Spermatogonium | Spermatocyte | Spermatid | Spermatozoon Human male anatomy The testicles, known medically as testes (singular testis), are the male generative glands in animals. ... A Spermatogonium (plural: spermatogonia) is an intermediary male gametogonium (a kind of germ cell) in the production of spermatozoa. ... Spermatogenesis refers to the creation, or genesis, of sperm cells, which occurs in the male gonads or testes. ... The term spermatid refers to the haploid male germ cell that results from secondary spermatocyte division. ... A spermatozoon or spermatozoan ( spermatozoa), from the ancient Greek σπέρμα (seed) and ζῷον (living being) and more commonly known as a sperm cell, is the haploid cell that is the male gamete. ...


Sertoli cell | Tubuli seminiferi recti | Rete testis | Efferent ducts | Vas deferens | Seminal vesicles | Ejaculatory duct  A Sertoli cell (a kind of sustentacular cell) is a nurse cell of the testes which is part of a seminiferous tubule. ... Rete testis is an anastomosing network of delicate tubules located in the testicular hilum that carries sperm from the seminiferous tubules to the vasa efferentia. ... The efferent ducts are part of the testes and connect the rete testis with the epididymis. ... The vas deferens, also called ductus deferens, (Latin: carrying-away vessel) is part of the male anatomy of some species, including humans. ... Male Anatomy The seminal vesicles are a pair of glands on the posterior surface of the urinary bladder of males. ... The Ejaculatory ducts are part of the human male anatomy, which cause the reflex action of ejaculation. ...


Penis | Corpus cavernosum | Glans penis | Fundiform ligament | Suspensory ligament of the penis | Foreskin | Frenulum | Prostate | Bulbourethral glands  The penis (plural penises, penes) is an external male sexual organ. ... A corpus cavernosum is one of a pair of a sponge-like regions of erectile tissue which contain most of the blood in the male penis during erection. ... The glans penis is the sensitive erectile tip of the penis. ... The fundiform ligament is a specialization of the superficial (Scarpas) fascia of the abdomen. ... In males, the suspensory ligament of the penis is attached to the pubic symphysis, which holds the penis close to the pubic bone and supports it when erect. ... The Male Anatomy The foreskin or prepuce (a technically broader term that also includes the clitoral hood, the analoguous structure in women) is a retractable double-layered fold of skin and mucous membrane that covers the glans penis and protects the urinary meatus when the penis is not erect. ... A frenulum (or frenum) is a small fold of tissue that prevents an organ in the body from moving too far. ... Male Anatomy The prostate is an exocrine gland of the male mammalian reproductive system. ... The bulbourethral glands (or Cowpers glands) secrete a clear fluid known as pre-ejaculate or Cowpers fluid (colloquially known as pre-cum) which is generated upon sexual arousal. ...



 

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