| AG | abdominal girth; agarose; aminoglutethimide; analytical grade; anion gap; antigen; antiglobulin; ant... |
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| AH | abdominal hysterectomy; absorptive hypercalciuria; accidental hypothermia; acetohexamide; acid hydro... |
| ALVAD | abdominal left ventricular assist device |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
| A/P | abdominal/perineal; antepartum; ascites/plasma [ratio] |
| abdominal dropsy | <clinical sign, gastroenterology> An effusion and accumulation of serous fluid in the abdominal cavity. Synonym: abdominal dropsy, peritoneal dropsy, hydroperitonia, hydrops abdominis. Origin: L, Gr. Askites from askos = bag (18 Nov 1997) |
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| abdominal external oblique muscle | <anatomy, muscle> Origin, fifth to twelfth ribs; insertion, anterior half of lateral lip of iliac crest, inguinal ligament, and anterior layer of the rectus sheath; action, diminishes capacity of abdomen, draws thorax downward; nerve supply, thoracoabdominal nerves. Synonym: musculus obliquus externus abdominis, abdominal external oblique muscle. (05 Mar 2000) |
| abdominal fibromatosis | <anatomy> Resembling, or having the characteristics of, a ligament; ligamentous. Origin: Gr. Desmos ligament. Source: Websters Dictionary (01 Mar 1998) |
| abdominal fissure | Congenital failure of the ventral body wall to close. See: celosomia, gastroschisis. (05 Mar 2000) |
| abdominal fistula | A tract leading from one of the abdominal viscera to the external surface. (05 Mar 2000) |
| abdominal guarding | <clinical sign> A spasm of abdominal wall muscles, detected on palpation, to protect inflamed abdominal viscera from pressure. Guarding is typically a finding in the physical examination where inflammation of the peritoneal surface has occurred as in appendicitis, diverticulitis or generalised peritonitis. (27 Sep 1997) |
| abdominal hernia | <surgery> A hernia protruding through a defect or weakened portion of the abdominal wall. An umbilical hernia is an example of a type of abdominal hernia. (27 Sep 1997) |
| abdominal hysterectomy | Surgical removal of the uterus through an incision made in the abdominal wall. As opposed to a vaginal hysterectomy. (12 Dec 1998) |
| abdominal hysterotomy | Transabdominal incision into the uterus. Also variously called abdominohysterotomy; celiohysterotomy; laparohysterotomy; laparouterotomy. Synonym: abdominohysterotomy, celiohysterotomy, laparohysterotomy, laparouterotomy. (05 Mar 2000) |
| abdominal injuries | General or unspecified injuries involving organs in the abdominal cavity. (12 Dec 1998) |
| abdominal internal oblique muscle | <anatomy, muscle> Origin, iliac fascia deep to lateral part of inguinal ligament, anterior half of crest of ilium, and lumbar fascia; insertion, tenth to twelfth ribs and sheath of rectus; some of the fibres from inguinal ligament terminate in the conjoint tendon; action, diminishes capacity of abdomen, flexes lumbar vertebral column (bends thorax forward); nerve supply, lower thoracic. Synonym: musculus obliquus internus abdominis, abdominal internal oblique muscle. (05 Mar 2000) |
| abdominal lipectomy | <procedure, surgery> A procedure to remove fatty tissue and excess skin from the lower to middle portions of the abdomen. This procedure is indicated in some individual's who have lost considerable weight resulting in loose hanging folds of skin in the abdominal area. Recovery is in 2-4 days. (11 Mar 1998) |
| abdominal migraine | Migraine in children accompanied by paroxysmal abdominal pain. This must be distinguished from similar symptoms requiring surgical attention. (05 Mar 2000) |
| abdominal muscle deficiency syndrome | <syndrome> Congenital absence (partial or complete) of abdominal muscles, in which the outline of the intestines is visible through the protruding abdominal wall; in males, genitourinary anomalies (urinary tract dilation and cryptorchidism) are also found; genetics unclear. (05 Mar 2000) |
| abdominal muscles | A large group of muscles in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. (12 Dec 1998) |