superior tarsal muscle


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.

Nearby words

  1. superior rectal vein,
  2. superior rectus muscle,
  3. superior retinaculum of extensor muscles,
  4. superior sagittal sinus,
  5. superior salivary nucleus,
  6. superior temporal line,
  7. superior temporal sulcus,
  8. superior thalamostriate vein,
  9. superior thyroid vein,
  10. superior vein of cerebellar hemisphere

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.