| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
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| AB | abdominal; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; alcian blue; alert... |
| Abd, abd | abdomen, abdominal; abduct, abduction, abductor |
| abdom | abdomen, abdominal |
| ABS | abdominal surgery; acute brain syndrome; Adaptive Behavior Scale; admitting blood sugar; adult bovin... |
| abdominal part of aorta | <anatomy> The largest arterial conduit below the diaphragm. This term refers to the portion of the aorta below the diaphragm to the bifurcation into the right and left common iliac arteries. It supplies blood to the abdominal viscera, pelvic organs and lower extremities. (20 Jun 2000) |
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| abdominal part of oesophagus | The part of the oesophagus inferior to the diaphragm. See: oesophagus. Synonym: pars abdominalis oesophagi. (05 Mar 2000) |
| abdominal part of thoracic duct | The part of the thoracic duct between the cisterna chyli and the aortic hiatus of the diaphragm. Synonym: pars abdominalis ductus thoracici. (05 Mar 2000) |
| abdominal part of ureter | The part of the ureter between the renal pelvis and the brim of the pelvis. Synonym: pars abdominalis ureteris. (05 Mar 2000) |
| abdominal pool | The volume of blood within the abdomen. (05 Mar 2000) |
| abdominal pregnancy | The implantation and development of the ovum in the peritoneal cavity, usually secondary to an early rupture of a tubal pregnancy; very rarely, primary implantation may occur in the peritoneal cavity. Synonym: abdominocyesis, intraperitoneal pregnancy. (05 Mar 2000) |
| abdominal pressure | Pressure surrounding the bladder; estimated from rectal, gastric, or intraperitoneal pressure. (05 Mar 2000) |
| abdominal pulse | The soft, compressible aortic pulse occurring in certain abdominal disorders. Synonym: pulsus abdominalis. (05 Mar 2000) |
| abdominal reflexes | Contraction of the muscles of the abdominal wall upon stimulation of the skin (superficial a. Reflex's) or tapping neighboring bony structures (deep a. Reflex's). Synonym: supraumbilical reflex. (05 Mar 2000) |
| abdominal regions | The topographical subdivisions of the abdomen; based on subdividing the abdomen by the transpyloric, interspinous and midclavicular planes; including the right and left hypochondriac, right and left lateral, right and left inguinal, and the unpaired epigastric, umbilical and pubic regions. Synonym: regiones abdominis, abdominal zones. (05 Mar 2000) |
| abdominal ring | The opening in the transversalis fascia through which the ductus deferens (or round ligament in the female) and gonadal vessels enter the inguinal canal. Located midway between anterior superior iliac spine and pubic tubercle, it is bounded medially by the lateral umbilical ligament (inferior epigastric vessels) and inferiorly by the inguinal ligament. Indirect inguinal hernias exit the abdominal cavity via the deep inguinal ring Synonym: annulus inguinalis profundus, abdominal ring, annulus abdominalis, internal inguinal ring. (05 Mar 2000) |
| abdominal sac | The part of the embryonic celom that becomes the abdominal cavity. (05 Mar 2000) |
| abdominal salpingectomy | Removal of one or both fallopian tubes through an abdominal incision. Synonym: celiosalpingectomy, laparosalpingectomy. (05 Mar 2000) |
| abdominal salpingo-oophorectomy | Removal of the fallopian tube and ovary through an abdominal incision. Synonym: abdominal salpingo-oophorectomy. (05 Mar 2000) |
| abdominal section | Transabdominal incision into the peritoneal cavity. Synonym: abdominal section, laparotomy, ventrotomy. Origin: celio-+ G. Tome, incision Vaginal celiotomy, opening the peritoneal cavity through the vagina. Synonym: culdotomy. (05 Mar 2000) |