Exocrine gland (sectional schematic diagram)

Exocrine gland (sectional schematic diagram)

Exocrine gland is a gland that secretes externally, usually composed of two parts: the gland surrounded by glandular epithelium and the excretory duct that excretes secretions, hence also known as ductal gland. It can be divided into single-cell glands and multicellular glands, and can also be called sweat glands, mucous glands, serous glands, etc. according to the type of secretion.