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

Accidents in industry workplace, Accidents in Industry Workplace It is...

Accidents in Industry Workplace It is a hard fact to bear in mind that accidents in industry workplace are to be avoided or discarded and efforts in this direction has been in

Diploidy and haploidy, Diploidy and Haploidy :: In the chromosomal complem...

Diploidy and Haploidy :: In the chromosomal complement  given species  not all the  chromosomes are different  from each other .In fact these  are in pairs ,i.e.  every  two chrom

What is the approximate number, What would be the approximate number of ami...

What would be the approximate number of amino acids of a protein with a mass of 203 kd? Assume an average molecular weight for amino acids of 110 grams/mol.

Cut-off points to judge on failures - root canal treatment, Determine cut-o...

Determine cut-off points to judge on failures - Root Canal Treatment a)  Persistent of signs and/or symptom. b)  If in one year there is no decrease in lesion size. c)  I

Determine the parts of sphygmomanometer, Determine the Parts of sphygmomano...

Determine the Parts of sphygmomanometer Parts of sphygmomanometer consists of: - an inflatable cuff (wrapped around the arm when checking B.P) at vertical height as the hear

Explain vanishing points., A vanishing point is where parallel lines that m...

A vanishing point is where parallel lines that move off into the distance seem to converge. It's an artifact of perspective. The vanishing point for any set of lines that are paral

What is anti-arrhythmic pacemaker defibrillators, What is Anti-arrhythmic p...

What is Anti-arrhythmic pacemaker defibrillators ? Antiarrhythmic drugs (AADs) are classified according to whether they exert blocking actions predominantly on sodium, potassiu

Define objectives to know about methods of food processing, Define Objectiv...

Define Objectives to know about methods of food processing? After studying this unit, you will be able to: Enumerate the different methods of food processing Enlist

Different types of stems, Different types of stems (a)  Monocots. Secur...

Different types of stems (a)  Monocots. Secure stems of various plants such as bamboo, sugar cane and corn. Cut every of the stems crosswise with a very sharp knife or razor bl

Corpus allatum and prothoracic gland, Corpus Allatum and Prothoracic Gland ...

Corpus Allatum and Prothoracic Gland Corpus Allatum The corpus allatum is situated in the neck region of insects. It is generally a rounded, solid and translucent struc

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