单词tubular gland
un.: 管状腺网络: 管腺
管状腺
Breast is a tubular gland and by the bubbly gland compound consisting of glands, usually in prominent openings on the nipple.
乳腺是一种由管状腺和泡状腺组成的复合腺体，通常开口于突出的乳头上。