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levator

   Also found in: Medical, Encyclopedia 0.01 sec.
le·va·tor  (l-vtr)
n. pl. lev·a·to·res (lv-tôrz, -tr-)
1. Anatomy A muscle that raises a bodily part.
2. A surgical instrument for lifting the depressed fragments of a fractured skull.

[New Latin, from Medieval Latin levtor, one that raises, from Latin levre, to raise; see lever.]

levator [lɪˈveɪtə -tɔː]
n
1. (Life Sciences & Allied Applications / Anatomy) Anatomy any of various muscles that raise a part of the body
2. (Medicine / Surgery) Surgery an instrument for elevating a part or structure
[New Latin, from Latin levāre to raise]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.levator - a muscle that serves to lift some body part (as the eyelid or lip)
muscle, musculus - one of the contractile organs of the body


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In particular, they focused on movement of the levator labii muscle, which acts to raise the upper lip and wrinkle the nose, movements that are thought to be characteristic of the facial expression of disgust.
Ptosis occurs as a result of a dysfunction of one or both of the upper eyelid elevators--the levator palpebrae superioris and Muller's muscle.
A very thin muscle in the eyelids closes the lids, while the so-called levator muscle opens them.
 
 
 
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