OFC | The Orthopedic & Fracture Clinic, Oregon



	Orthopedic Glossary of Terms


	A \| B \| C \| D \| E \| F \| G \| H \| I \| J \| K \| L \| M \| N \| O \| P \| Q \| R \| S \| T \| U \| V \| W \| X \| Y \| Z


	E

	Ecchymosis
	Superficial tissue discoloration.

	Ectopic bone
	Proliferation of bone ossification in an abnormal place.

	Edema
	Swelling resulting from a collection of exuded lymph fluid in interstitial tissues.

	Effusion
	The escape of fluid from the blood vessels into the surrounding tissues or joint cavity.

	Electromyogram (EMG)
	A test to evaluate nerve and muscle function.

	End feel
	The sensation felt in the joint as is reaches the end of the available range of motion.

	Epicondylitis
	Inflammation and microrupture of the soft tissues on the epicondyles of the distal humerus.

	Epiphyseal fracture
	Injury to the growth plate of a long bone in children and adolescents; may lead to arrested bone growth.

	Etiology
	The science and study of the causes of disease.

	Eversion
	A turning outward, such as turning the sole of the foot outward.

	Exostosis
	A cartilage capped bony projection arising from any bone that develops from cartilage.

	Extensor mechanism
	Complex interaction of muscles, ligaments, and tendons that stabilize and provide motion at the patellafemoral joint.

	Extrasynovial
	Structures found outside of the synovial cavity and synovial fluid.

	Extrinsic
	Originating outside of the part where it is found or upon which it acts; denoting particularly a muscle.

	Extruded disc
	Condition in which the nuclear material bulges into the spinal canal and runs the risk of impinging adjacent nerve roots.

	Exudate
	Material composed of fluid, pus, or cells that have escaped from blood vessels into surrounding tissues following injury or inflammation.