You searched for: “actine
actin (s) (noun), actine (pl)
1. A protein present in all cells and in muscle tissue where it plays a role in contraction: Actin is one of a large group of nitrogenous organic compounds forming the thin filaments in muscle fibers that are pulled on by myosin cross-bridges to cause a muscle contraction.

Some bacteria form actin tails to use for motility.

3. Etymology: According to A Dictionary of Scientific Terms by I.F. Henderson (Isabella Ferguson) and W.D. Henderson; Edinburgh; Oliver and Boyd Publication, 1920; this word comes from Ancient Greek ἀκτίς, "ray", "a star-shaped spicule (zoology)" + the English chemical suffix -in, -ine.

All of the other "modern" medical dictionary sources that include this actin protein term do not make any references to any etymological origins.

This entry is located in the following unit: actino-, actin-, actini-, -actinal, actis- + (page 1)