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Epithelial Membranes: Cutaneous Membrane
----Cutaneous – skin
---- Consists of keratinized stratified squamous epithelium (epidermis) firmly attached to a thick layer of dense irregular connective tissue (dermis)
Epithelial Membranes: Mucous Membrane
----Mucous – lines body cavities open to the exterior
(e.g., digestive and respiratory tracts, urogenital tracts)
----Note: mucosa refers to location, not to mucus cells
----Contain mainly stratified squamous or simple columnar epithelia
----The lamina propria lies under the epithelial sheet
Epithelial Membranes: Serous Membranes
--Moist membranes found in closed ventral body cavities
--Consist of simple squamous epithelium (mesothelium) resting on areolar tissue
--mesothelial cells enrich local fluid with hyaluronic acid resulting in a lubricating fluid so layers slide across each other easily
35. Describe the structure and function of cutaneous, mucous, and serous membrane