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Skin & Membranes
Term | Definition |
---|---|
What are the functions of body membranes? | Cover body surfaces, line body cavities, form protective sheets around organs |
Three types of epithelial membranes. | Cutaneous, mucous, serous |
The one type of connective tissue membrane | Synovial |
Another name for the skin | Cutaneous membrane |
Mucous membrane | Lines all body cavities that open to the exterior body surface |
Serous membrane | Lines open body cavities that are closed to the exterior body |
What are two layers of serous membrane? | Visceral and Parietal |
Visceral layer | Covers the outside of the organ |
Parietal layer | Lines a portion of the wall of the ventral body cavity |
What are three types of specific serous membranes? | Peritoneum, Pleura, Pericardium |
Synovial membrane | Lines fibrous capsules surrounding joints |
Integumentary system | Skin |
What are some skin derivatives? | Sweat and oil glands, hair, nails |
Epidermis | outermost layer, often keratinized |
Dermis | Dense connective tissue |
Hypodermis | Serves as storage repository for fat |
What are the layers of the epidermis? | Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum |
Stratum Basale | Deepest layer, absorbs nutrients |
Stratum Lucidum | Formed from dead cells of the deeper strata |
Stratum Corneum | Outermost layer, shingle-like dead cells filled with keratin |