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.
Saunders Company. Medial subluxation of the patella occurs as the apex of. the articular surface of the patella translates medially in. the femoral trochlea toward the medial femoral condyle. Abnormal medial excursion of the patella is normally. prevented by several lateral static and dynamic stabilizing.