| AAROM | active assertive range of motion; active-assisted range of motion |
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| AS | acetylstrophanthidin; acidified serum; acoustic schwannoma; acoustic stimulation; active sarcoidosis... |
| ALE | active life expectancy; allowable limits of error; amputated lower extremity |
| ALS | acute lateral sclerosis; advanced life support; afferent loop syndrome; amyotrophic lateral sclerosi... |
| AFP | Alpha(α) Feto-Protein [HP 1826, 1858, 1859, 2265] ; Oncofetal Antigens &nbs... |
| pouch | 1. A small bag; usually, a leathern bag; as, a pouch for money; a shot pouch; a mail pouch, etc. 2. That which is shaped like, or used as, a pouch; as: A protuberant belly; a paunch; so called in ridicule. <medicine> A cyst or sac containing fluid. <botany> A silicle, or short pod, as of the shepherd's purse. A bulkhead in the hold of a vessel, to prevent grain, etc, from shifting. Pouch mouth, a mouth with blubbered or swollen lips. Origin: F. Poche a pocket, pouch, bag; probably of Teutonic origin. See Poke a bag, and cf. Poach to cook eggs, to plunder. Source: Websters Dictionary (01 Mar 1998) |
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| pouch of Douglas | <anatomy> A pocket formed by the deflection of the peritoneum from the rectum to the uterus. Synonym: excavatio rectouterina, cavum douglasi, cul-de-sac, Douglas' cul-de-sac, Douglas' pouch, pouch of Douglas, rectovaginouterine pouch. (05 Mar 2000) |
| pouch, pavlov | at different points along the dogs' digestive tracts, the russian physiologist ivan petrovich pavlov (1848-1936) surgically created pockets ( pavlov pouches ) from which he could obtain secretions, the aim being to study the physiology of the digestive tract. He did so from the salivary glands down to the stomach, liver and pancreas with considerable success and in 1904 (the 4th year it was awarded) he received the nobel prise for his work on the physiology of digestion, through which knowledge on vital aspects of the subject has been transformed and enlarged. (12 Dec 1998) |
| pouch-shell | <zoology> A small British and American pond snail (Bulinus hypnorum). Source: Websters Dictionary (01 Mar 1998) |
| hepatorenal pouch | The deep recess of the peritoneal cavity on the right side extending upward between the liver in front and the kidney and suprarenal behind; this is a gravity-dependent portion of the peritoneal cavity when in the supine position; fluids draining from the omental bursa drain here. Synonym: recessus hepatorenalis, hepatorenal pouch, Morison's pouch. (05 Mar 2000) |
| Prussak's pouch | A space in the mucous membrane on the inner surface of the tympanic membrane between the flaccid part of the membrane and the neck of the malleus. Synonym: recessus membranae tympani superior, Prussak's pouch, Prussak's space. (05 Mar 2000) |
| Seessel's pouch | See: Seessel's pocket. (05 Mar 2000) |
| hypophyseal pouch | A tubular outgrowth of ectoderm from the stomodeum of the embryo; it grows dorsad toward the infundibular process of the diencephalon, around which it forms a cup-like mass, giving rise to the pars distalis and pars juxtaneuralis of the hypophysis. Synonym: craniopharyngeal canal, hypophyseal pouch, Rathke's diverticulum, Rathke's pocket, Rathke's pouch. (05 Mar 2000) |
| superficial inguinal pouch | A pocket formed between Scarpa's and external oblique fascia adjacent to external inguinal ring; a common lodging site for undescended testes (as in cryptorchism). Synonym: superficial inguinal pouch. (05 Mar 2000) |
| superficial perineal pouch | The superficial compartment of the perineum; the space bounded above by the perineal membrane (inferior fascia of the urogenital diaphragm) and below by the superficial perineal (Colles') fascia; it contains the root structure of the penis or clitoris and associated musculature, plus the superficial transverse perineal muscle and, in the female only, the greater vestibular glands. Synonym: spatium perinei superficiale, Colles' space, superficial perineal pouch. (05 Mar 2000) |
| deep perineal pouch | The region between the perineal membrane and the endopelvic fascia of the floor of the pelvis occupied by the membranous part of the urethra, the bulbourethral gland (in the male), the deep transverse perineal and sphincter urethrae muscles, and the dorsal nerve and artery of the penis or clitoris. Synonym: spatium perinei profundum, deep perineal pouch. (05 Mar 2000) |
| Denis Browne's pouch | A pocket formed between Scarpa's and external oblique fascia adjacent to external inguinal ring; a common lodging site for undescended testes (as in cryptorchism). Synonym: superficial inguinal pouch. (05 Mar 2000) |
| syndrome, third and fourth pharyngeal pouch | See syndrome, digeorge. (12 Dec 1998) |
| douglas' pouch | A sac or recess formed by a fold of the peritoneum. (12 Dec 1998) |
| ileoanal pouch | A pouch constructed from the ileum and anastomosed to the proximal anus for restoration of normal continence after proctocolectomy. Kock pouch, a continent ileostomy with a reservoir and valved opening fashioned from doubled loops of ileum. Synonym: Kock ileostomy. (05 Mar 2000) |