The bulge creates a feeling of tightness behind the knee as well as stiffness and swelling and pain behind the knee and calf. For many, this pain intensifies when flexing or fully extending the leg. Often, these cysts go away without any treatment.
transition noun [C/U]. âº the âprocess of âchanging, or a âchange from one âform or âcondition to another: [U] It was a âneighborhood in transition from âJewish to Italian with a âsprinkling of Irish.
For other uses, see Transition. Definition of transitions and transversions. In genetics, a transition is a point mutation that changes a purine nucleotide to another purine (A â G) or a pyrimidine nucleotide to another pyrimidine (C â T).Approximately two out of three single nucleotide polymorphisms (SNPs) are transitions.Transitions can be caused by oxidative deamination and tautomerization.or other uses, see Transition. Definition of transitions and transversions. In genetics, a transition is a point mutation that changes a purine nucleotide to another purine (A â G) or a pyrimidine nucleotide to another pyrimidine (C â T).