superior gemellus muscle superior ge·mel·lus muscle (jə-měl’əs)
A muscle with origin in the ischial spine and the lesser sciatic notch, with insertion to the tendon of the internal obturator muscle, with nerve supply from the sacral plexus, and whose action rotates the thigh laterally.
noun, plural superiors general. Ecclesiastical. 1. the superior of an order or congregation.
- Superior gluteal nerve
superior gluteal nerve n. A nerve that arises from the fourth and fifth lumbar nerves and the first sacral nerve and supplies the gluteus medius and minimus muscles and tensor muscle of the broad fascia.
- Superior gluteal vein
superior gluteal vein n. Either of the veins that accompany the gluteal artery, unite in the pelvis, and empty into the internal iliac vein.
- Superior intercostal vein
superior intercostal vein n. A tributary of the azygos vein, formed by union of the right second, third, and fourth posterior intercostal veins; right superior intercostal vein. A vein that is formed by the union of the left second, third and fourth intercostal veins, passes across the arch of the aorta, empties into the left […]