mucus layer
An extracellular region part that consists of a protective layer of mucus secreted by epithelial cells lining tubular organs of the body such as the colon or secreted into fluids such as saliva. Mucus is a viscous slimy secretion consisting of mucins (i.e. highly glycosylated mucin proteins) and various inorganic salts dissolved in water, with suspended epithelial cells and leukocytes.
GO:0110165
cellular anatomical structure
is_a
GO:0005576
extracellular region
part_of
extracellular proteinaceous gel
broad
mucous
exact
mucous layer
exact
mucus
exact