Extension
Extension: The process of straitening or the state of being strait. Extension of the hip and knee joints is necessary to stand up from the sitting position.
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- External ear
External ear: There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The external ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion of the ear), the external acoustic meatus (the […]
- External fixation
External fixation: A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External fixation is as opposed to internal fixation in which the ends of the fractured bone are joined by mechanical devices such as metal plates, pins, rods, wires or screws.
- External jugular vein
External jugular vein: The more superficial of the two jugular veins situated on each side of the neck. The other is the internal jugular vein. They drain blood from the head, brain, face and neck and convey it toward the heart. The external jugular vein collects most of the blood from the outside of the […]
- External radiation therapy
External radiation therapy: Radiation therapy in which the source of radiation is a machine outside the body.
- Extracellular
Extracellular: Outside a cell. As opposed to intracellular, meaning within a cell.