superior petrosal sinus n.
A paired sinus of the dura mater in the groove on the superior margin of the petrous part of the temporal bone, connecting the cavernous sinus with the transverse sinus.
- Superior phrenic vein
superior phrenic vein n. Any of the small veins that are tributaries to the azygos and hemiazygos veins and drain the upper surface of the diaphragm.
noun, Astronomy. 1. any of the five planets whose orbits are outside the orbit of the earth, namely, the planets Mars, Jupiter, Saturn, Uranus, and Neptune. superior planet noun 1. any of the planets (Mars, Jupiter, Saturn, Uranus, Neptune, and (formerly) Pluto) whose orbit lies outside that of the earth superior planet Any of the […]
- Superior posterior serratus muscle
superior posterior serratus muscle superior posterior ser·ra·tus muscle (sə-rā’təs) n. A muscle with origin in the spinous processes of the two lower cervical and two upper thoracic vertebrae, with insertion into the second to the fifth ribs, and with nerve supply from the first to the fourth intercostals.
- Superior pulmonary vein
superior pulmonary vein n. A vein that returns blood from the left superior lobe of the lung to the left atrium; left superior pulmonary vein. A vein that returns blood from the superior and middle lobes of the right lung to the left atrium; right superior pulmonary vein.