| PIIS | posterior inferior iliac spine |
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| RIF | radiological interface; release-inhibiting factor; rifampin; right iliac fossa; rosette-inhibiting f... |
| ICA | 1) Islet Cell Antibody 2) Internal Carotid Artery |
| BICAO | bilateral internal carotid artery occlusion |
| BIMA | bilateral internal mammary artery |
| iliac muscle | <anatomy, muscle> Origin, iliac fossa; insertion, tendon of psoas, anterior surface of lesser trochanter, and capsule of hip joint; action, flexes thigh and rotates it medially; nerve supply, lumbar plexus. Synonym: musculus iliacus, iliac muscle. (05 Mar 2000) |
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| iliac plexus | The autonomic plexus lying on the iliac arteries, derived from the aortic plexus. Synonym: plexus iliaci. (05 Mar 2000) |
| iliac region | The topographical area of the inferior abdomen related to the inguinal canal, lateral to the pubic region. Synonym: regio inguinalis, groin, iliac region, inguen. (05 Mar 2000) |
| iliac roll | A sausage-shaped, often painful, nonfluctuating mass, with convexity to the right, palpable in the left iliac fossa, due to induration of the walls of the sigmoid flexure. (05 Mar 2000) |
| iliac spine | See: anterior inferior iliac spine, anterior superior iliac spine, posterior inferior iliac spine, posterior superior iliac spine. (05 Mar 2000) |
| iliac steal | The decrease in flow in one common iliac artery when an occlusion of the other common iliac artery is released. (05 Mar 2000) |
| iliac tubercle | A prominence on the outer lip of the iliac crest about 5 cm behind the anterior superior iliac spine. Synonym: tuberculum iliacum, iliac tubercle. (05 Mar 2000) |
| iliac tuberosity | A rough area above the auricular surface on the medial aspect of the ala of the ilium, giving attachment to the posterior sacroiliac ligament. Synonym: tuberositas iliaca. (05 Mar 2000) |
| iliac vein | <anatomy, vein> A vein on either side of the body which is formed by the union of the external and internal iliac veins and passes upward to join with its fellow of the opposite side to form the inferior vena cava. (12 Dec 1998) |
| iliac veins | See: common iliac vein, external iliac vein, internal iliac vein, deep circumflex iliac vein, superficial circumflex iliac vein. (05 Mar 2000) |
| intermediate line of iliac crest | The line on the crest of the ilium between the outer and inner lips, for origin of internal oblique muscle. Synonym: linea intermedia cristae iliacae. (05 Mar 2000) |
| tubercle of iliac crest | A prominence on the outer lip of the iliac crest about 5 cm behind the anterior superior iliac spine. Synonym: tuberculum iliacum, iliac tubercle. (05 Mar 2000) |
| external iliac lymph nodes | Nodes located in association with the external iliac vein; they are subdivided into three groups: intermediate external iliac lymph nodes, between the vein and the external iliac artery; lateral external iliac lymph nodes, and medial external iliac lymph nodes, medial to the vein; they all receive afferent vessels from the inguinal nodes, lower abdominal wall, and pelvic viscera, and send efferent vessels to the common iliac nodes. Synonym: nodi lymphatici iliaci externi. (05 Mar 2000) |
| external iliac plexus | A lymphatic plexus formed by the lymph nodes along the external iliac artery on either side, and their afferent and efferent vessels. Synonym: plexus iliacus externus. (05 Mar 2000) |
| external iliac vein | <anatomy, vein> A direct continuation of the femoral vein superior to the inguinal ligament, uniting with the internal iliac vein to form the common iliac vein. Synonym: vena iliaca externa. (05 Mar 2000) |