| A [band] | the dark-staining zone of a striated muscle |
|---|---|
| AHMA | American Holistic Medicine Association; antiheart muscle autoantibody |
| AMA | against medical advice; alkaline membrane assay; American Management Association; American Medical A... |
| AMB | avian myeloblastosis; amphotericin B; anomalous muscle bundle |
| AMC | academic medical center; acetylmethyl carbinol; Animal Medical Center; antibody-mediated cytotoxicit... |
| obturator externus | <anatomy, muscle> Origin, lower half of margin of obturator foramen and adjacent part of external surface of obturator membrane; insertion, trochanteric fossa of greater trochanter; action, rotates thigh laterally; nerve supply, obturator. Synonym: musculus obturator externus, external obturator muscle. (05 Mar 2000) |
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| obturator fascia | The portion of the pelvic fascia that covers the obturator internus muscle. Synonym: fascia obturatoria. (05 Mar 2000) |
| obturator foramen | A large, oval or irregularly triangular aperture in the hip bone, the margins of which are formed by the pubis and the ischium; it is closed in the natural state by the obturator membrane, except for a small opening for the passage of the obturator vessels and nerve. Synonym: foramen obturatum. (05 Mar 2000) |
| obturator groove | A deep groove on the inner surface of the superior ramus of the pubis. Synonym: sulcus obturatorius. (05 Mar 2000) |
| obturator hernia | Hernia through the obturator foramen. (05 Mar 2000) |
| obturator lymph nodes | Nodes of the internal iliac group located along the obturator artery. Synonym: nodi lymphatici obturatorii. (05 Mar 2000) |
| obturator membrane | The thin membrane of strong interlacing fibres filling the obturator foramen. Synonym: membrana obturatoria. (05 Mar 2000) |
| obturator nerve | <anatomy, nerve> A nerve originating in the lumbar spinal cord (l2 to l4) and traveling through the lumbar plexus to the lower extremity. The obturator nerve provides motor innervation to the adductor muscles of the thigh and cutaneous sensory innervation of the inner thigh. (12 Dec 1998) |
| obturator tubercle | One of two processes, anterior and posterior, on the margin of the pubic portion of the obturator foramen, bounding the termination of the obturator groove. Synonym: tuberculum obturatorium. (05 Mar 2000) |
| obturator vein | <anatomy, vein> Formed by the union of tributaries draining the hip joint and the obturator and adductor muscles of the thigh; it enters the pelvis by the obturator canal as venae comitantes of the obturator artery and empties into the internal iliac vein. Synonym: vena obturatoria. (05 Mar 2000) |
| Achilles bursa | Bursa between the tendo calcaneus and the upper part of the posterior surface of the calcaneum. Synonym: bursa tendinis calcanei, bursa achillis, Achilles bursa. (05 Mar 2000) |
| adventitious bursa | <anatomy> A bursa-like cyst formed between two parts as a result of friction. (05 Mar 2000) |
| anserine bursa | <anatomy> The bursa between the tibial collateral ligament of the knee joint and the tendons of the sartorius, gracilis, and semitendinosus muscles. Synonym: bursa anserina, tibial intertendinous bursa. (05 Mar 2000) |
| anterior tibial bursa | <anatomy> The small bursa between the medial surface of the medial cuneiform bone and the tendon of the tibialis anterior. Synonym: bursa subtendinea musculi tibialis anterioris, anterior tibial bursa. (05 Mar 2000) |
| bicipitoradial bursa | <anatomy> The bursa between the tendon of the biceps brachii muscle and the anterior part of the tuberosity of the radius. Synonym: bursa bicipitoradialis. (05 Mar 2000) |