Thymus gland, Biology

Assignment Help:

THYMUS GLAND

  1. Flat, bilobed gland located in the mediastinal space in front of heart.
  2. Well developed in new born child and grows upto puberty but starts degenerating thereafter at 25 years of age, it disappears.
  3. Parenchyma contains numerous lymphocytes undergoing proliferation and maturation forming different types of T- Iymphocytes which later migrate to spleen, lymph nodes, Peyer's patches etc. and remain stored there or some are also retained in circulating blood.
  4. Secretes a hormone, thymosin, which activates lymphocytes.

Related Discussions:- Thymus gland

Explain about the isoflavones, Explain about the Isoflavones? These are...

Explain about the Isoflavones? These are usually treated separately from the other five subclasses and are an area of considerable research interest. Isoflavones are found almo

Which represents the least potential electromotive force, In a neuron with ...

In a neuron with a resting potential of -65 mV, the distribution of which ion across the neuronal membrane represents the LEAST potential electromotive force (EMF)? A. Potassium

Differences between single-unit and multi-unit muscles, DIFFERENCE S BETWE...

DIFFERENCE S BETWEEN SINGLE-UNIT AND MULTI-UNIT SMOOTH MUSCLES     Single-unit Smooth Muscles   Multi-uni t Smooth Muscles

History of cell biology, HISTORY OF CELL BIOLOGY Scientific knowledge gro...

HISTORY OF CELL BIOLOGY Scientific knowledge grows with the development of new tools and techniques for studying various physical and biological processes. This is true also of t

Epidemiology, The epidemiology of acute rheumatic fever (ARF) is closely co...

The epidemiology of acute rheumatic fever (ARF) is closely connected with that of group-A beta haemolytic streptococcal pharyngitis, both have a maximum incidence in the age group

What is biochemical characteristics, What is Biochemical Characteristics? ...

What is Biochemical Characteristics? In the last section we have learnt about the importance of biochemical tests. It must be clear now that biochemical tests are used to -

Physical and physiological changes - geriatric nutrition, Define Physical a...

Define Physical and Physiological Changes? Every stage has its unique requirements due to different changing needs. With respect to nutrition and health, four different basic a

Explain endonucleases, Explain Endonucleases Endonucleases  are  nucle...

Explain Endonucleases Endonucleases  are  nucleases present  in  the pancreatic juice like RNAase  andDNAase. These hydrolyze internal phosphodiester bonds which are located m

Zoology, structural adaptation of mammalian alimentary canal

structural adaptation of mammalian alimentary canal

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