1) Exocrine system 
Merocrine is a term used to classify exocrine glands and their secretions in the study of histology. A cell is classified as merocrine if the secretions of that cell are excreted via exocytosis from secretory cells into an epithelial-walled duct or ducts and thence onto a bodily surface or into the lumen. Merocrine is the most common manner of sec...
<endocrinology, physiology> Commonest mode of secretion in which a secretory vesicle fuses with the plasma membrane and releases its contents to the exterior. ... (18 Nov 1997) ... 
(mer´o-krin) partly secreting: denoting that type of glandular secretion in which the secreting cell remains intact throughout the process of formation and discharge of the secretory products, as in the salivary and pancreatic glands. See also apocrine and holocrine.
Commonest mode of secretion in which a secretory vesicle fuses with the plasma membrane and releases its contents to the exterior.
Type: Term Pronunciation: mer′ō-krin, -krīn, -krēn See: merocrine gland
merocrine A reference to glands in which the act of secretion leaves the cell itself intact; for example, in salivary and pancreatic glands.