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

Cancer, Cancer ;  Cell  division , like  all other  biological  processes,...

Cancer ;  Cell  division , like  all other  biological  processes,  is under  genetic control. Certain  genes must regulate the processes  of cell growth  and division  in respons

Importance of dark period, Importance of Dark Period For quite sometim...

Importance of Dark Period For quite sometime the role of light period (photoperiod) was emphasised in flowering? However, based on certain experiments it was realised that it

How genetic predisposition causing the underweight, How Genetic Predisposit...

How Genetic Predisposition causing the underweight? Mother's Health Status; Poor nutritional status of the girl child coupled with under nutrition during pregnancy results in L

Precautions for selective and differential medium, Precautions for Preparat...

Precautions for Preparation of Selective and Differential Medium 1. Dissolve ingredients one by one. 2. Check and set the medium to appropriate pH. 3. Autoclave the mediu

Laws governing ocular movements, Laws Governing Ocular Movements Herin...

Laws Governing Ocular Movements Hering's Law of Equal Innervation states that equal and simultaneous innervation flows from the brain to yoke muscles in all binocular movement

Male reproductive disorders-cryptorchidism, Cryptorchidism Cryptorchid...

Cryptorchidism Cryptorchidism or incomplete descent of testis or retention of testis in the abdominal cavity occurs in all domestic species but is seen most commonly in stalli

Formation of egg membrane, FORMATION OF EGG MEMBRANE Ovum with egg memb...

FORMATION OF EGG MEMBRANE Ovum with egg membrane is called ova / egg.  On the basis of origin the egg membrane are of three types & 1 .      PRIMARY EGG MEMBRANE It is

Estimate daily energy requirement and safe protein intake, Estimate Daily e...

Estimate Daily energy requirement and safe protein intake? The estimated mean daily per capita energy requirement of 2070 Kcal rounded up  to 2100 Kcal is based on WHO technica

Molybdenum and vanadium, Molybdenum and Vanadium - Inorganic Nitrogen and S...

Molybdenum and Vanadium - Inorganic Nitrogen and Sulphur Metabolism Molybdenum must be available in nature in order to meet the demand of Mo for the formation of nitrogenase n

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