Definition of phlegm for English Language Learners. : 1  a thick, yellowish liquid that is produced in the nose and throat especially when a person has a cold. : 2  calmness in a difficult or unpleasant situation.
Kneecap (Patellar) Subluxation. A subluxing patella (kneecap) is a temporary, partial dislocation of the kneecap from its normal position in the groove in the end of the thigh bone (femur). This groove is located between two bumps at the end of the thigh bone called the femoral condyles.
A joint dislocation, or luxation, occurs when there is an abnormal separation in the joint, where two or more bones meet.A partial dislocation is referred to as a subluxation. Dislocations are often caused by sudden trauma on the joint like an impact or fall.A joint dislocation can cause damage to the surrounding ligaments, tendons, muscles, and nerves. joint dislocation, or luxation, occurs when there is an abnormal separation in the joint, where two or more bones meet.