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

Define the process of feeding 0-6 months infant, Define the Process of Feed...

Define the Process of Feeding 0-6 Months Infant? The term exclusive breast feeding is used when all fluids, energy and nutrients are provided by breast milk, with the possible

Explain the quantitative techniques - microbial culture, Explain the Quanti...

Explain the Quantitative Techniques? Now that we are well-versed with the techniques involved in preparing and maintaining cultures, it is also important for us to learn how to

Enzyme creates double bonds, Suppose you treated butter with a fatty acid d...

Suppose you treated butter with a fatty acid desaturase, an enzyme that removes hydrogen from fatty acids and creates double bonds. Please explain what would happen?

How the nurse reviews the labels of the medications, A post-operative clien...

A post-operative client has an order for Demerol 35 mg and Phenergan 12.5 mg. The nurse reviews the labels of the medications. Injectable Demerol (meperidine hydrochloride) is prep

Resemble the homozygous recessive parental, A dihybrid cross yields 320 F2 ...

A dihybrid cross yields 320 F2 offspring. How many are expected to resemble the homozygous recessive parental?

Explain about the toxicity of pyridoxine, Explain about the Toxicity of pyr...

Explain about the Toxicity of pyridoxine? Though toxicity related to pyridoxine intake are rare, but use of high doses of pyridoxine for the treatment of pre-menstrual syndrom

What is normal bone physiology, What is normal bone physiology An insig...

What is normal bone physiology An insight into the normal bone physiology and its adaptation by modeling and remodelling process to functional stresses is also of importance. I

Biota of littoral zone, Biota of Littoral Zone This zone is the shore ...

Biota of Littoral Zone This zone is the shore region of the marine ecosystems and is subject to violence of waves and tides, fluctuation of water level and variability of temp

Lab safety, Why should you not apply cosmetics while doing a lab experiment...

Why should you not apply cosmetics while doing a lab experiment in class?

Where can these epithelia are found in the human body, How dissimilar is th...

How dissimilar is the simple cuboidal epithelium from the columnar epithelium? Where can these epithelia are found in the human body? The simple cuboidal epithelium is made of

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