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Arellano, Annalisa
Anatomy Weeks 1-6
| Term | Definition |
|---|---|
| Epidermis | the integument layer that has no vascularization, the integument layer composed of keratinized stratified squamous cells |
| Dermis | the layer that corresponds to leather hides from an animal |
| Sensory receptor | specialized sensory receptor |
| Dermal papilla | projections from the dermis that reduce blister formation |
| Hair shaft | the portion of hair that projects from the skin surface |
| Epithelial root sheath | layer of cells that are derived from the epidermis |
| Medulla | the innermost portion of hair that is comprised of large epithelial cells and air space |
| melanocytes | cells that produce melanin in the hair root |
| Papilla | the portion of the hair root that contains a single capillary cluster |
| Cilia | motile structural elements of the epithelial membrane, sensation and movement |
| Basement membrane | acellular layer that acts as a selective filter and scaffold for regenerating epithelial cells |
| microvili | absorption |