Ectopic rest of tissue is known as
*Choristoma (Heterotopia) - Microscopically normal cells or tissues that present in abnormal locations.*Hamaoma - Excessive, focal overgrowth of cells or tissues native to the organ in which it occurs.Ref: Robbins 8/e p473
Choristoma
Hamaoma
Pseudo tumour
Lymphoma
Haematology