HTML Source EditorWord wrap Jejunum  - middle section of the small intestine between the duodenum and ileum.

Joint - where the ends of two or more bones meet.

Joint locking - extremely painful condition usually caused by entrapment of a loose body within the joint, between the joint surfaces.

Jordan frame - specialized stretcher developed for transport of patients with a suspected spinal injury.

Jugular veins - veins that carry blood from the head back to the heart.

Jumper's knee - associated with a small area of degeneration of the tendon attachment at the lower pole of the patella (knee-cap), characterized by pain and extreme local tenderness.