extension
Medical term Body Structures and Organ Systems
Straightening a joint so the angle between the bones increases.
Related terms
- endocrine glandA gland that releases hormones directly into the blood, without ducts.
- epidermisThe outermost layer of the skin.
- erythrocyteRed blood cell; carries oxygen using hemoglobin.
- esophagusThe muscular tube that carries food from the pharynx to the stomach.
- flexionBending a joint so the angle between the bones decreases.
- hemoglobinThe iron-containing protein in red blood cells that carries oxygen.
- homeostasisThe body's ability to keep a stable internal environment, such as temperature and fluid balance.
- hormoneA chemical messenger released into the blood that affects target cells elsewhere in the body.
Study Body Structures and Organ Systems