cilia

Physico-chemical barriers of innate immunity

by
Physico-chemical barriers of innate immunity

Introduction Innate immunity is also known as native immunity. It is a resistance with which a person or lower animal is born and is non-specific. This type of immunity is present throughout our life. It may be of various types like species immunity, racial immunity or individual immunity. Various factors like age, hormones, nutrition, etc. … Read more

Protozoans and its classification

by

The word Protozoa is derived from two Greek words: protos means first; zoon means animal. They are the first animals with a protoplasmic grade of body organization. They are simple, unicellular microscopic organisms which may be solitary or colonial. All the vital activities are performed by a single cell so no physiological divison of labour … Read more