epidermis
Medical term Body Structures and Organ Systems
The outermost layer of the skin.
Related terms
- dermisThe skin layer beneath the epidermis, containing blood vessels, nerves, glands and hair follicles.
- diaphragmThe dome-shaped muscle separating the chest and abdominal cavities; the main muscle of breathing.
- dorsal cavityThe posterior body cavity that holds the brain and spinal cord.
- endocrine glandA gland that releases hormones directly into the blood, without ducts.
- erythrocyteRed blood cell; carries oxygen using hemoglobin.
- esophagusThe muscular tube that carries food from the pharynx to the stomach.
- extensionStraightening a joint so the angle between the bones increases.
- flexionBending a joint so the angle between the bones decreases.
Study Body Structures and Organ Systems