0 the layer beneath the mucus membrane (= the thin skin that covers the inside surface of the nose, mouth etc. and produces mucus to protect them) --
Submucosa shows large intercellular spaces filled with serous fluid.
The submucosa lies under the mucosa and consists of fibrous connective tissue, separating the mucosa from the next layer.
They then penetrate the mucosa and submucosa and enter venules or lymphatics.
Secondary infections are characterized by the formation of nodules in the cecum and the submucosa of the cecum.
There are two types of glands, with mucous-secreting esophageal glands being found in the submucosa, and cardiac glands located in the lamina propria.
They correspond to deposits of sebum from misplaced sebaceous glands in the submucosa that are usually associated with hair follicles.
The mucus factory is at the bottom, in the submucosa, it is composed of many little sacs (acini) where the mucus originates.
The submucosa is the tissue that connects the mucosa to the muscle outside the tube.
