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* mucous, rather slimy, viscous | * mucous, rather slimy, viscous | ||
− | https:// | + | https://en.wikipedia.org/wiki/Gland |
A small organelle or a larger organ consisting of organelles which produces substances and secretes these substances into the body (endocrine secretion) or on body surfaces (exocrinee secretion).
Glands can be differentiated according to the type of secretion:
Differentiation according to construction:
Differentiation according to viscosity of secretion: