myosin ['maiesin] 肌球蛋白
A protein that, with actin, constitutes the principal element of the contractile apparatus of muscle. microtubute 微管
Small, hollow tubes of protein that function throughout the cytoplasm to provide structural support and enable movement.
tubulin 微管蛋白
A protein that is the major constituent of microtubules.
dynein 动力蛋白，动素
A group of at least four distinct proteins found in the flagella and microtubules of eukaryotic cells and possessing ATPase activity.
chemotaxis 趋化性
A locomotory movement of an organism or cell in response to, and directed by, an directional stimulus.
cilia 纤毛
Numerous short, hairlike structures projecting from the cell surface that enable locomotion. flagella 鞭毛 (单数flagellum)
Long, hairlike structures projecting from the cell surface that enable locomotion.
basal body 基体
A body identical in structure to a centriole, found always at the base of a cilium or eukaryote flagellum.
centriole 中心粒
An organelle located close to the nucleus in most animal and lower plant cells but absent from prokaryotes and higher plants.