actin

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(ak′tin)

noun

a protein in muscles

Origin: < L actus (see act) + -in

actino-: used before a vowel: actinal

See actin in American Heritage Dictionary 4

noun
A protein found in muscle that together with myosin functions in muscle contraction.

Origin:

Origin: Latin āctus, motion; see act

Origin: + -in

.

prefix
Variant of actino-.

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© 1996-2013 LoveToKnow, Corp. All Rights Reserved. Audio pronunciation provided by LoveToKnow, Corp.