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Membranes

Membranes. Body Membranes…. 4 major types of membranes in the body Cutaneous membranes Mucous membranes Serous membranes Synovial membranes. Cutaneous membrane…. The cutaneous membrane is actually the skin It covers the entire body and is made up of squamous epithelial cells

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Membranes

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  1. Membranes

  2. Body Membranes… 4 major types of membranes in the body • Cutaneous membranes • Mucous membranes • Serous membranes • Synovial membranes

  3. Cutaneous membrane… • The cutaneous membrane is actually the skin • It covers the entire body and is made up of squamous epithelial cells • Body’s first line of defense system against diseases.

  4. Mucous membranes… • Typically consist of columnar epithelial cells • Produce a mucus, which provides protection to the tissue they line, such as the cavities that open to the outside of the body • The digestive tract – opens via the mouth and anus • The respiratory tract – opens to the outside via the mouth and nose • The reproductive tract – opens to the outside via the vaginal opening • The urinary tract – open to the outside via the urethral opening

  5. Serous membranes… • Produce serous fluid, which provides protection for the tissue they cover • Are made of epithelial cells that are supported by connective tissue • Line internal cavities of the body that are not open to the outside • The pleural membranes – cover the lungs • The peritoneal membranes – cover organs such as the stomach and liver • The pericardial membrane – covers the heart

  6. Synovial membranes • Produce synovial fluid • This fluid helps to reduce abrasion at the joint site • They are made of connective tissue • They line the joints of the body

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