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.
The general consensus is that the vertebral subluxation complex or VSC (commonly referred to as a vertebral subluxation or subluxation) consists of two primary components--a biomechanical disrelationship and a disturbance of nerve function (and many secondary components).