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.
subluxation (subÂ´luksÄÂ´shÉn), n 1. an incomplete dislocation of a joint. 2. term applied to the temporomandibular joint, indicating relaxation of the capsular ligaments and improper relationship of the joint components, resulting in cracking and popping of the joint during movement.