Medical Dictionary

I band


I band

noun \ˈī-\

Definition of I BAND

:  a pale band across a striated muscle fiber that consists of actin, is much less birefringent to polarized light than the A bands, is situated between two A bands, and is bisected by a narrow dark-staining Z line—called also isotropic band
March 03, 2015
thanatology Hear it
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