From Ancient Greek ἀκτίς (aktis, “ray”), based on the shape of the filament formed, and the English chemical suffix -in.
actin (countable and uncountable; plural actins)
- (biochemistry, uncountable) A globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).
- (biochemistry, countable) One of the six isoforms of actin.
Last modified on 19 May 2013, at 16:20