Superior tarsal muscle
superior tarsal muscle n.
A layer of smooth muscle that extends from the aponeurosis of the elevator muscle of the upper eyelid to the superior tarsus, is innervated by sympathetic nerves, and acts to hold the upper lid in an elevated position.
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- Superior temporal line
superior temporal line n. The upper of two curved lines on the parietal bone, to which the temporal fascia is attached.
- Superior temporal sulcus
superior temporal sulcus n. The longitudinal sulcus separating the superior and middle temporal gyri.
- Superior thyroid vein
superior thyroid vein n. A vein that receives blood from the upper part of the thyroid gland and the larynx, accompanies the superior thyroid artery, and empties into the internal jugular vein.
- Superior-vena-cava
noun, plural superior venae cavae. 1. See under vena cava. noun, plural venae cavae [vee-nee key-vee] /ˈvi ni ˈkeɪ vi/ (Show IPA). Anatomy. 1. either of two large veins discharging blood into the right atrium of the heart, one (superior vena cava or precava) conveying blood from the head, chest, and upper extremities and the […]
- Superjacent
adjective 1. lying above or upon something else. adjective 1. lying immediately above or upon