| Ischiorectal fossa | | | | The perineum. The integument and superficial layer of superficial fascia reflected. (Ischiorectal fossa labeled at bottom left.) | | | | The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx. (Ischiorectal fossa labeled at bottom right.) | | Latin | fossa ischioanalis | | Gray's | subject #120 425 | | Dorlands/Elsevier | f_14/12376209 | The ischiorectal fossa (or ischioanal fossa) is somewhat prismatic in shape, with its base directed to the surface of the perineum, and its apex at the line of meeting of the obturator and anal fasciae. Image File history File links No higher resolution available. ...
It has been suggested that Anogenital distance be merged into this article or section. ...
Fascia, pronounced , is specialized connective tissue layer which surrounds muscles, bones, and joints, providing support, protection and giving structure to the body. ...
Image File history File links Gray1077. ...
Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ...
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It has been suggested that Anogenital distance be merged into this article or section. ...
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The diaphragmatic part of the pelvic fascia covers both surfaces of the Levatores ani. ...
Boundaries
It has the following boundaries:[1] The deep layer of superficial fascia (fascia of Colles) is thin, aponeurotic in structure, and of considerable strength, serving to bind down the muscles of the root of the penis. ...
The Transversus perinei superficialis (Transversus perinei; Superficial transverse perineal muscle) is a narrow muscular slip, which passes more or less transversely across the perineal space in front of the anus. ...
The perineal membrane is an anatomical term for a fibrous membrane in the perineum. ...
Posteriorly the Superior ramus of the ischium forms a large swelling, the tuberosity of the ischium, which is divided into two portions: a lower, rough, somewhat triangular part, and an upper, smooth, quadrilateral portion. ...
The obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis. ...
The fascia of the Obturator internus (or Obturator fascia) covers the pelvic surface of, and is attached around the margin of the origin of, the muscle. ...
The Levator ani is a broad, thin muscle, situated on the side of the pelvis. ...
Beyond overall skin structure, refer below to: See-also. ...
The Levator ani is a broad, thin muscle, situated on the side of the pelvis. ...
The Sphincter ani externus (external anal sphincter) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the integument surrounding the margin of the anus. ...
The diaphragmatic part of the pelvic fascia covers both surfaces of the Levatores ani. ...
The gluteus maximus is the largest of the gluteus muscles which are located in the buttock. ...
The Sacrotuberous Ligament (great or posterior sacrosciatic ligament) is situated at the lower and back part of the pelvis. ...
Contents The contents include: - Inside Alcock's canal, on the lateral wall
- Outside Alcock's canal, crossing the space transversely
The internal pudendal vessels and pudendal nerve cross the pelvic surface of the Obturator internus and are enclosed in a special canal—Alcocks canal (or pudendal canal)—formed by the obturator fascia. ...
Internal pudendal artery is the terminal branch of the anterior trunk of the internal iliac artery which supplies the external genitalia. ...
The internal pudendal veins (internal pudic veins) are the venæ comitantes of the internal pudendal artery. ...
The pudendal nerve is responsible for orgasm, urination, and defecation in both sexes. ...
The inferior rectal artery (inferior hemorrhoidal artery) is an artery that supplies blood the the rectum. ...
The lower part of the external hemorrhoidal plexus is drained by the inferior rectal veins (or inferior hemorrhoidal veins) into the internal pudendal vein. ...
The Inferior rectal nerves (inferior anal nerves, inferior hemorrhoidal nerve) occasionally arises directly from the sacral plexus; it crosses the ischiorectal fossa, with the inferior hemorrhoidal vessels, toward the anal canal and the lower end of the rectum, and is distributed to the Sphincter ani externus and to the integument...
References - ^ analtrianglesection - Ischiorectal fossa is colored yellow
See also The anal triangle is the posterior part of the perineum. ...
Additional images Coronal section of anterior part of pelvis, through the pubic arch. Seen from in front. Image File history File links No higher resolution available. ...
| The superficial branches of the internal pudendal artery. Image File history File links Gray542. ...
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External links 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. The Health Science Center Syracuse, better known as the State University of New York Upstate Medical University, is a college of health-related professions on University Hill in Syracuse, New York, USA. It includes the College of Medicine, College of Nursing, College of Health Professions, and College of Graduate Studies. ...
The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City. ...
The State University of New York, abbreviated SUNY (IPA pronunciation: ) is a system of public institutions of higher education in New York, United States. ...
The Medical University of Vienna , formerly the faculty of medicine of the University of Vienna, became an independent university on January 1, 2004. ...
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 (or Grays Anatomy as it has more commonly become known) is an anatomy textbook widely regarded as a classic work on human anatomy. ...
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