Cambridge InternationalAS-LevelImmunityImmunity

The immune system

Vaccination

Learning Objective

a. Recognise phagocytes and lymphocytes under the light microscope;

The following micrographs show as to how different types of phagocytes and lymphocytes look under the microscope.

The cell with the lobed nucleus [in the centre] is a neutrophill; a type of a phagocyte.