striation

nouns

any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue
stria, striation
is derived from
striate
a stripe or stripes of contrasting color
"chromosomes exhibit characteristic bands"; "the black and yellow banding of bees and wasps"
band, banding, stria, striation
is derived from
striate