Thymus, Biology

Assignment Help:

THYMUS -

It is derived from the endoderm of the embryo.

Structure. The thymus gland is located in the upper part of the thorax near the heart. It is a soft, pinkish, bilobed mass of lymphoid tissue. It is a prominent gland at the time of birth but it gradually atrophies In the adult.

Hassall's corpuscles are spherical or oval bodies present in the thymus. They are phagocytic in function.

Hormone. Thymus secretes a hormone named thymosin which stimulates the development of certain kinds of white blood cells involved in producing immunity. It also hastens attainment of sexual maturity.

Thymosin hormone stimulates the lymphocytes to destroy the antigens produced by bacteria or pathogen. It self may be destroyed by these lymphocytes.


Related Discussions:- Thymus

Internet meanings for: URL HTTP COOKIES, Internet meanings for:...

Internet meanings for: URL HTTP COOKIES BAUD WWW COMP What Is The Internet? What do you need to connect to the Internet? Advantages and disadvantages of the Ne

How much fat contain vegetable butters, Vegetable Butters  Fats of thi...

Vegetable Butters  Fats of this group are derived from the seeds of various tropical trees and are distinguished by their narrow melting range, which is due mainly to the arra

What are the warning signs of implant failure, What are the warning signs o...

What are the warning signs of implant failure The warning signs of implant failure are: i). Connecting screw loosening. ii). Connecting screw failure. iii). Gingival b

What is active transport--secretion, What is Active Transport--Secretion ...

What is Active Transport--Secretion This method is now a well accepted process of aqueous formation. The rate of aqueous humour formation depends on the rate of active solute

Describe u - waves, Q. Describe U - Waves? The U-wave is usually uprigh...

Q. Describe U - Waves? The U-wave is usually upright if the T is also upright and is highest at low rates. When the heart rate increases to more than 90, the U-wave is rarely v

Explain the feeding process for preschoolers, Explain the Feeding process f...

Explain the Feeding process for Preschoolers? The word preschool children, you may be aware, is used for children less than six years of age. After the first year, there is a s

Conditions necessary for outbreak of botulism, Q. Conditions Necessary for ...

Q. Conditions Necessary for outbreak of botulism? The following conditions are necessary for an outbreak of botulism: 1. Presence of spores of C. botulinum of type A, B o

What is the process of protein synthesis, Q. After the fact that it is base...

Q. After the fact that it is based on information from mRNA what is the process of protein synthesis called? Protein synthesis is called translation of genetic information into

What is the relation between vitamins and enzyme cofactors, Many vitamins a...

Many vitamins are enzyme cofactors that cannot be synthesized by the organism and must be attained from the diet.

fungi, Fungi The study of fungi (s. fungus) is called mycology. Fungi...

Fungi The study of fungi (s. fungus) is called mycology. Fungi are unicellular or multicellular chemoheterotrophic eukaryotes. They may be grouped into yeasts, molds and funga

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