INTRODUCTION OF CYTOLOGY

the cytology or cell biology is a biological science which  deals with the study of cells from morphological ,biochemical physiological ,developmental genetical pathological and evolutionary point of views .

Recently ,it has shown rapid progress has  become fundamental in the  study of structure and function of living organism.

the cell itself can be regarded as the vital unit of organisms and  anatomic and physiologic substrate of biologic phenomena.in its morphological aspect ,modern cell biology has gone beyond simple description of structures visible to the light  microscope light microscope