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.
Sir, Spontaneous subluxation of the globe is a rare event. Luxation occurs when the equator of the globe is allowed to protrude anterior to the eyelid aperture. The orbicularis muscle then contracts, causing further anterior displacement and the globe is caught outside the eyelid aperture.