Explain neutrophils -types of white blood cells, Science

Assignment Help:

Explain Neutrophils

They form about 50-70% cells. They have fine dust like particles in the cytoplasm which stain purplish. Tissues, cells damaged by the invading microbes release certain chemicals called chemokines, which attract neutrophils from blood. The neutrophils engulf and digest the microorganisms infecting the body tissues. They are called phagocytes and the process is known as phagocytosis.

To refresh your memory, in the phagocytosis process, the cell membrane of phagocyte invaginates and encloses a bacterium in a vacuole known as phagosome, the vacuole then fuses with lysosome to formphagolysosome. The bacteria are digested by the enzymes present in the lysosome. The doctrine of phagocytosis was advanced by a Russian physiologist, Elie Metchnikov in 1882. He got Nobel Prize for medicine and physiology in 1908. A neutrophil may engulf as many as twenty bacteria before it dies. If new entry of an organism is there, then it is trapped by another phagocytic cell known as the macrophage (big cells which can eat), about which we will learn in a little while from now.


Related Discussions:- Explain neutrophils -types of white blood cells

Working memory index, Mr. X's Working Memory Index (WMI) is interpretable; ...

Mr. X's Working Memory Index (WMI) is interpretable; the components do not vary significantly, so his WMI score can be interpreted as a single construct. WMI includes three tasks.

Explain non-specific defence mechanism, Non-Specific Defence Mechanism ...

Non-Specific Defence Mechanism The non-specific defence mechanism is implemented for different types of infections. It resists infection in two ways, firstly, by blocking the e

Where the water table intersects the surface, What is the term for groundwa...

What is the term for groundwater emerging naturally at the ground surface, where the water table intersects the surface: Spring is the term for groundwater emerging aturally

Minerals, Minerals  Minerals like coal, iron, copper, steel etc. are us...

Minerals  Minerals like coal, iron, copper, steel etc. are used in all kinds of industries and in every-day life. The rate of consumption of minerals  is increasing every year.

Torque and equilibrium, equilibrium, Physics what is the effect of torque a...

equilibrium, Physics what is the effect of torque and equilibrium on taps, doors,handle bars and bicycles??

Insight into robotics and robots, Insight into Robotics and Robots: The...

Insight into Robotics and Robots: The science of designing, building und using robots is called robotics. And what is a robot?  Many people  think of robots as mechanical pe

Explain the sensory and the motor neurons, Explain the Sensory and  the Mo...

Explain the Sensory and  the Motor Neurons The peripheral nervous system consists of 1. Sensory neurons running from stimulus receptors that inform the central nervous syste

A tropical storm will be declared a hurricane when, A tropical storm will b...

A tropical storm will be declared a hurricane when: There is evidence of eye formation and sustained wind speeds of 74 mph

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd