Myofibril
[mahy-uh-fahy-bruh l, -fib-ruh l] /ˌmaɪ əˈfaɪ brəl, -ˈfɪb rəl/
noun, Cell Biology.
1.
a contractile of skeletal muscle, composed mainly of actin and myosin.
myofibril my·o·fi·bril (mī’ə-fī’brəl, -fĭb’rəl)
n.
One of the threadlike longitudinal fibrils occurring in a skeletal or cardiac muscle fiber. Also called sarcostyle.
Read Also:
- Myofibroblast
myofibroblast my·o·fi·bro·blast (mī’ō-fī’brə-blāst’) n. A fibroblast having some of the characteristics of smooth muscle cells, such as contractile properties.
- Myofibroma
myofibroma my·o·fi·bro·ma (mī’ō-fī-brō’mə) n. A benign tumor that consists chiefly of fibrous connective tissue, with variable numbers of muscle cells forming portions of the tumor.
- Myofibrosis
myofibrosis my·o·fi·bro·sis (mī’ō-fī-brō’sĭs) n. Chronic myositis with diffuse hyperplasia of the interstitial connective tissue pressing upon and causing atrophy of the muscular tissue.
- Myofibrositis
myofibrositis my·o·fi·bro·si·tis (mī’ō-fī’brə-sī’tĭs) n. See perimysiitis.
- Myofilament
[mahy-uh-fil-uh-muh nt] /ˌmaɪ əˈfɪl ə mənt/ noun, Cell Biology. 1. a threadlike of actin or myosin that is a component of a myofibril. myofilament my·o·fil·a·ment (mī’ə-fĭl’ə-mənt) n. Any of the ultramicroscopic filaments, made up of actin and myosin, that are the structural units of a myofibril.