Labial glands
Encyclopedia
The labial glands are situated between the mucous membrane
and the Orbicularis oris, around the orifice of the mouth
.
They are circular in form, and about the size of small peas; their ducts open by minute orifices upon the mucous membrane.
In structure they resemble the salivary glands.
Mucous membrane
The mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line cavities that are exposed to the external environment and internal organs...
and the Orbicularis oris, around the orifice of the mouth
Mouth
The mouth is the first portion of the alimentary canal that receives food andsaliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth....
.
They are circular in form, and about the size of small peas; their ducts open by minute orifices upon the mucous membrane.
In structure they resemble the salivary glands.