| inferior frontal sulcus | A sagittal fissure on the lateral convex surface of each frontal lobe of the cerebrum demarcating the middle from the inferior frontal gyrus. Synonym: sulcus frontalis inferior. (05 Mar 2000) |
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| inferior ganglion of glossopharyngeal nerve | <anatomy, nerve> The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen. Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion. (05 Mar 2000) |
| inferior ganglion of vagus nerve | <anatomy, nerve> A large sensory ganglion of the vagus, anterior to the internal jugular vein. Synonym: ganglion inferius nervi vagi, ganglion of trunk of vagus, nodose ganglion. (05 Mar 2000) |
| inferior gemellus | <anatomy, muscle> Origin, tuberosity of ischium; insertion, tendon of musculus obturator internus; action, rotates thigh laterally; nerve supply, sacral plexus. Synonym: musculus gemellus inferior, gemellus. (05 Mar 2000) |
| inferior gluteal artery | <anatomy, artery> Origin, internal iliac; distribution, hip joint and gluteal region; anastomoses, branches of internal pudendal, lateral sacral, superior gluteal, obturator, medial and lateral circumflex femoral. Synonym: arteria glutea inferior, arteria ischiadica, arteria ischiatica. (05 Mar 2000) |
| inferior gluteal nerve | <anatomy, nerve> Arises from the fifth lumbar and first and second sacral nerves, and supplies the gluteus maximus muscle. It is subject to injury by compression and ischemia in sedentary individuals, resulting in difficulty in rising from a sitting position and difficulty climbing stairs. Synonym: nervus gluteus inferior. (05 Mar 2000) |
| inferior gluteal veins | The venae comitantes of the inferior gluteal artery uniting at the sciatic foramen to form a common trunk which empties into the internal iliac vein. Synonym: venae gluteae inferiores. (05 Mar 2000) |
| inferior horn | A lower or downward prolongation of a part or structure of the body. Synonym: cornu inferius. (05 Mar 2000) |
| inferior horn of falciform margin of saphenous opening | The lower part of the falciform margin of the opening in the fascia lata through which the greater saphenous vein passes. Synonym: cornu inferius marginalis falciformis hiatus sapheni. (05 Mar 2000) |
| inferior horn of lateral ventricle | The part of the lateral ventricle extending downward and forward into the medial part of the temporal lobe. See: lateral ventricle. Synonym: cornu inferius ventriculi lateralis, temporal horn. (05 Mar 2000) |
| inferior horn of thyroid cartilage | One of the pair of downward prolongations at the back of the thyroid cartilage; it articulates on each side with the cricoid cartilage. Synonym: cornu inferius cartilaginis thyroideae. (05 Mar 2000) |
| inferior hypogastric plexus | One of the bilateral autonomic plexus in the pelvis distributed to the pelvic viscera; it receives the hypogastric nerves and the pelvic splanchnic nerves. Synonym: plexus hypogastricus inferior, plexus pelvinus, pelvic plexus. (05 Mar 2000) |
| inferior hypophysial artery | <anatomy, artery> A small branch of the cavernous part of the internal carotid to the hypophysis. Synonym: arteria hypophysialis inferior. (05 Mar 2000) |
| inferior ileocaecal recess | A deep fossa sometimes found between the ileocaecal fold, the mesoappendix, and the caecum. Synonym: recessus ileocaecalis inferior. (05 Mar 2000) |
| inferior internal parietal artery | <anatomy, artery> The last cortical branch of the pericallosal artery; it supplies the inferior part of the precuneus. Synonym: arteria precunealis, inferior internal parietal artery. (05 Mar 2000) |