Dictionary.net

(of exocrine glands) producing a secretion in which part of the secreting cell is released with the secretion; "mother's milk is one apocrine secretion"

(of exocrine glands) producing a secretion in which part of the secreting cell is released with the secretion; "mother's milk is one apocrine secretion"

[Greek] Appl. glands secreting only part of cell contents; cf. holocrine, merocrine.