[luh-tis-uh-mahy dawr-sahy] . Anatomy. < Neo-Latin: literally, the broadest (muscle) of the back
Based on the Random House Dictionary, © Random House, Inc. 2012.
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| the flattened region on either side of the forehead in humans |
| situated under the tongue, or on the underside of the tongue |
latissimus dorsi la·tis·si·mus dor·si (lā-tĭs'ə-məs dôr'sī)
n.
A muscle with origin from the spinous processes of the lower thoracic and lumbar vertebrae, the median ridge of the sacrum, and the outer lip of the iliac crest, with insertion into the humerus, with nerve supply from the thoracodorsal nerve, and whose action adducts the arm, rotates it medially, and extends it.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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latissimus dorsi
widest and most powerful muscle of the back. It is a large, flat, triangular muscle covering the lower back. It arises from the lower half of the vertebral column and iliac crest (hipbone) and tapers to a rounded tendon inserted at (attached to) the front of the upper part of the humerus (upper-arm bone).
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