| A | B |
|---|
| Appendages | Hair, Nails, Glands, and Receptors |
| Integumentary System | Organ system that deals with the skin and its appendages |
| Membranes | Anatomically simple but functional sheetlike structure |
| Integument | Another term for skin |
| Epithelial membranes | Cutaneous, Serous and Mucous membranes |
| Cutaneous Membrane | epithelial membrane, also known as the skin |
| Serous Membrane | Epithelial membrane that is found on the surfaces of closed cavities |
| Mucous Membrane | Epithelial membrane that lines surfaces open to the exterior (e.g. mouth and lungs) |
| Synovial Membrane | Connective tissue membrane that lines spaces between bones and joints |
| Three layers of the skin | Epidermis, dermis, hypodermis |
| Epidermis | Outer or top layer of the skin |
| Dermis | Deeper and thicker 2nd layer of skin |
| Hypodermis | also known as the subcutaneous tissue, which is the last and fatty layer of skin |
| Melanin | Brown pigment found in skin cells |
| Keratin | Protein found in epidermal cells that toughen them up |
