Ma'anar ƙamus na "acinus" ƙaramar jakar ce ko zagaye a cikin gland, kewaye da ƙwayoyin sirri. Kalma ce ta histological da aka fi amfani da ita a cikin ilmin halitta da ilimin halittar jiki don bayyana tsarin wasu glandan kamar glandar salivary ko pancreas. Kalmar "acinus" ta fito ne daga kalmar Latin "acinus" wanda ke nufin berry ko inabi.
