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AAPC Med Terms
Membranes
| Term | Definition |
|---|---|
| Mucous membranes | Line the interior walls of the organs and tubes opening to the outside of the body, the digestive, respiratory, urinary, and reproductive systems |
| Serous membranes | line cavities including the thoracic cavity and internal organs. They consist of a layer of simple squamous epithelium overlaying a layer of loose connective tissue. |
| Synovial membranes | line joint cavities and are composed of connective tissue. Secrete synovial fluid into the joint cavity; this lubricates the ends of bones, so they can move freely. |
| Meninges | are composed of three connective tissue membranes found within the dorsal cavity and serve as a protective covering of the brain and spinal cord from outer layer to inside layer are dura mater, arachnoid mater, and pia mater |
| Cutaneous membrane | membrane forms the outer covering of the body and consists of a thin outer layer of stratified squamous epithelium attached to a thicker underlying layer of connective tissue. Cutaneous membrane is skin. |