What is the Simplest Multicellular Exocrine Gland Called

Question

What is the simplest multicellular exocrine gland called?
A) tubular glands
B) secretory sheet
C) acinar glands
D) alveolar glands
E) simple coiled tubular

Accepted Answer

A secretory sheet is the simplest form of a multicellular exocrine gland, consisting of a single layer of glandular epithelial cells that release their secretions directly to the surface.