Grays anatomy illustration anus exterior
The human anus is the external opening of the rectum. Two sphincters control the exit of feces from the body during an act of defecation, which is the primary function of the anus. These are the internal anal sphincter and the external anal sphincter, which are circular muscles that normally maintain constriction of the orifice. 38 best Gray's Anatomy images on Pinterest | Human anatomy, Human body anatomy and Grays anatomy Aselina. Age: 29. Hello to all gentleman i am balimnaz from turkey independent pre op transexual based in istanbul From its origin at the level of the third sacral vertebra it passes downward, lying in the sacrococcygeal curve, and extends for about 2. Jun 29, Author: Explore Kimberly Crist's board "Gray's Anatomy" on Pinterest. | See more ideas about Human anatomy, Human body anatomy and Grays anatomy. Anissa. Age: 20. I am a nature-loving bohemian person with a good sense of humor Human anus Jun 29, - Gross Anatomy. The anal canal is the most terminal part of the lower GI tract/large intestine, which lies between the anal verge (anal orifice, anus) in the Beneath the anal canal mucosa (above the pectinate line) lies the internal hemorrhoidal plexus of veins, which drains into the portal system of veins. Gray, Henry. Anatomy of the Human Body. XI. Splanchnology. 3c. 6. The Prostate. It is situated in the pelvic cavity, below the lower part of the symphysis pubis, above the superior fascia of the urogenital diaphragm, and in front of the rectum, through which it may be distinctly felt, especially when enlarged. It is about. Marsha. Age: 28. service d'escorte monte carlo, le sexe monte carlo, independante escorte monte carlo, call girl monte carlo, hotel de sexe monte carlo, escort monte carlo, hotel monte carlo sexe, appeler corps monte carlo, call-girl cannes, appelez-fille monte carlo Behind the sigmoid colon are the external iliac vessels, the left Piriformis, and left sacral plexus of nerves; in front, it is separated from the bladder in the male, and the uterus in the female, by some coils of the small intestine. The Rectum (intestinum rectum) (Fig. ) is continuous above with the sigmoid colon, while below. Jul 7, - SPHINCTERS OF THE ANAL CANAL Two – Internal & external, surround the anal canal. SPHINCTER ANI INTERNUS Involuntary sphincter Thickening of circular muscle of lower part of rectum Surrounds upper 3/4th of anal canal Lower end corresponds with Hilton's line Middle corresponds with pectinate. The anus is approximately 2 to 3 inches long and composed of skin type cells also known as squamous cells. There are two sphincter muscles: an internal sphincter muscle, which can be felt as a muscular ring, beyond which is the rectum; and an external sphincter muscle. The upper portion of the anus, or that part that Missing: grays.