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

Class bivalvia, Class Bivalvia Body in a bilohed mantle enclosed in a...

Class Bivalvia Body in a bilohed mantle enclosed in a two-valved shell; head reduced; mouth with labial palps but no radula; foot wedge-shaped; plate-like gills; sexes separa

State the preparation of patient for gtt, State the Preparation of Patient ...

State the Preparation of Patient for GTT 1. You should explain to the patient about the purpose and procedure of the test to be carried out and advise that: a) the patient s

Pulses - hypertension, Pulses Careful examination of both upper and lo...

Pulses Careful examination of both upper and lower limb pulses is useful in detecting coarctation, and other arterial stenosis. The carotid arteries should be checked for sten

Functional difference between neurons and glial cells, Q. What are the func...

Q. What are the functional differences between neurons and glial cells? Neurons and Glial cells are the cells that form the nervous system. Neurons are cells that have the func

Explain about the antioxidant activity of sugar, Explain about the Antioxid...

Explain about the Antioxidant Activity of Sugar? Several carbohydrates are tremendous scavengers for metal ions. Glucose, fructose and sugar alcohols (sorbitol and mannitol) ha

History of Microbiology, Can you explain about microbiology? http://www.e...

Can you explain about microbiology? http://www.expertsmind.com/sample-assignment/sample-biology-homework.pdf

What are chylomicrons, What are chylomicrons? Yes, so you now know that...

What are chylomicrons? Yes, so you now know that chylomicrons are basically lipoprotein molecules which are water miscible. They are poured into lymphatic vessels through lacte

Phylum, Are protozoan''s diploblastic or triploblastic

Are protozoan''s diploblastic or triploblastic

The mirrows reach or grayling zone, The mirrows reach or grayling zone ...

The mirrows reach or grayling zone This zone has a less steep gradient, than the trout beck. The river here still flows swiftly, though the current is not fast and conditions

Explain about the absorbed moisture - water found in food, Explain about th...

Explain about the Absorbed Moisture - water found in food? It is the moisture that has passed through cell walls and entered the cytoplasm of the cell. It is this form of water

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