noun
Usage: usually capitalized A
Etymology: a nisotropic band
: one of the cross striations in striated muscle that contains myosin filaments and appears dark under the light microscope and light in polarized light
noun
Usage: usually capitalized A
Etymology: a nisotropic band
: one of the cross striations in striated muscle that contains myosin filaments and appears dark under the light microscope and light in polarized light
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012