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 luxating patella is a type of knee injury common in both humans and dogs. The patella, more commonly known as the kneecap, dislocates or otherwise moves from its normal position within the joint, leading to pain, immobilization, and other detrimental conditions. luxating patella can be caused when the ligaments inside the knee are damaged. The patella, also known as the kneecap, is a rounded triangular bone that connects the upper leg to the lower leg. A patellar brace.