(anatomy) A strip of proteins in the myofibril, that stains dark.
Wiktionary
Other Word Forms of A-band
Noun
Singular:
a-band
Plural:
a-bands
A-band Sentence Examples
The two met in 1987 at Paris' Lycee Carnot secondary school, where they formed a band with schoolmate Laurent Brancowitz (who would later go on to find fame with Phoenix).
Fighting a band of renegade Indians isn't half as hard as lassoing this little filly.
I'm trying to get a group together for a band.
School was out for the summer, but by the time they could get a band going good, it would be time to go back.
Jonathan was practicing with some friends for a band they were forming.