actin

FREQ #28358

n. 肌动蛋白 [化] 肌动蛋白

发音

US /ˈæktɪn/

词形变化

actins 复数 actins

释义与例句

n.
  1. 1.

    A globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).

    肌动蛋白

    不可数 化学 生物 可数

    2012, Elaine N. Marieb & Katja Hoehn, Human Anatomy & Physiology, 8th ed., chapter 9 "Muscles and Muscle Tissue", page 281. Actin has kidney-shaped polypeptide subunits, called globular actin or G actin, which bear the active sites to which the myosin heads attach during contraction.

  2. 2.

    One of the six isoforms of actin.

    可数 化学 生物 不可数

词汇关系

名词

整体词 1

actomyosin

词源

From Ancient Greek ἀκτίς (aktís, “ray”), based on the shape of the filament formed, + -in.

来源：wiktionary