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pollardr-integument
| Term | Definition |
|---|---|
| Homeostasis | Internal stability or "steady state" maintained in the body. |
| Hormone | Signal molecule released into the bloodstream that triggers particular responses. |
| Interstitial fluid | Aqueous solution that fills the gaps between cells in a tissue. |
| Integumentary system | Outer covering that physically separates the body from the external environment. |
| Epidermis | outermost layer of skin. |
| Melanin | Pigmented protein that gives skin its color. |
| Dermis | Layer of skin beneath and supporting the epidermis, made up mostly of fibrous connective tissue that gives the skin its strength and elasticity. |
| Hypodermis | Tissue layer beneath the dermis; contains adipose tissue, a connective tissue that includes fat-storing cells and blood vessels. |