ap·o·crine 
(ăpə-krĭn, -krīn′, -krēn′)
(ăpə-krĭn, -krīn′, -krēn′)adj.
Relating to a type of glandular secretion in which the apical portion of the secreting cell is released along with the secretory products.
[Probably from Greek apokrīnein, to set apart : apo-, apo- + krīnein, to separate; see krei- in the Appendix of Indo-European roots.]