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.
Dislocation, Patella (Kneecap). Overview &COPY; Reed Group A patellar dislocation is a shifting of the kneecap (patella) out of its normal position. The patella is a triangular-shaped bone that covers and protects the anterior surface of the knee joint. It is embedded in the tendon of the thigh muscle (quadriceps femoris) that attaches to the top part of the patella and the fibrous capsule of connective tissue that surrounds the knee joint.