Dictionary

actin

noun ac·tin \ˈak-tən\

Definition of ACTIN

:  a cellular protein found especially in microfilaments (as those comprising myofibrils) and active in muscular contraction, cellular movement, and maintenance of cell shape

Origin of ACTIN

International Scientific Vocabulary, from Latin actus
First Known Use: 1942
Medical Dictionary

actin

noun ac·tin \ˈak-tən\

Medical Definition of ACTIN

:  a protein found especially in microfilaments (as those comprising myofibrils) and active in muscular contraction, cellular movement, and maintenance of cell shape—see f-actin, g-actin

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July 06, 2015
categorical Hear it
absolute or relating to a category
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