Exotoxin
(Science: protein) toxin released from gram-positive and gram-negative bacteria as opposed to endotoxins that form part of the cell wall.
Examples are cholera, pertussis and diphtheria toxins. Usually specific and highly toxic.
Dictionary > Exotoxin
You will also like...

Chemical Composition of the Body
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

Running Water Freshwater Community Factors
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

Circulation
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

Human Neurology
Human Neurology deals essentially with the nervous system of humans. It also features the various theories put forward b..

The Dinosaurs
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

Amphibians & Early Reptiles
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..