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 procedure for test of presence of coliform bacteria, Explain Proced...

Explain Procedure for the test of Presence of Coliform Bacteria? This test procedure is in continuation to the presumptive test procedure followed on last experiment. Now carry

Methods of control of air pollution, The best way to maintain quality of ai...

The best way to maintain quality of air and pollutant's emissions is by using less polluting fuels and processes. Following can be taken to control air pollution. Source correc

What is a population, Q. What is a population? In the Biology a populat...

Q. What is a population? In the Biology a population is a set of individuals of the same species living in a given place and in a given time.

Hormones secreted by the thyroid gland, Q. What are the hormones secreted b...

Q. What are the hormones secreted by the thyroid gland? What are their functions? The thyroid secretes the triiodothyronine (T3), hormones thyroxine (T4) and calcitonin. T3

Explain virus envelope, Virus envelope is known as: 1.  Capsid 2.  Vi...

Virus envelope is known as: 1.  Capsid 2.  Virion 3.  Nucleoprotein 4.  Core Capsid

Hemicryptophytes - classes of life form, Hemicryptophytes - Classes of Life...

Hemicryptophytes - Classes of Life Form In this case the perennating buds or organs are situated at the soil surface where they are protected by soil and fallen leaves. These

Explain the lectins or haemagglutinins, Explain the Lectins or Haemagglutin...

Explain the Lectins or Haemagglutinins? These are sugar binding proteins, having the ability to bind and agglutinate red blood cells (RBCs). You will find that they occur in mo

What is radiographic assessment, What is Radiographic Assessment Radio...

What is Radiographic Assessment Radiographic Assessment: Radiographic examination is very different with implants than with teeth. Radiographs are frequently used in implant

Non-renewable energy sources, In many countries of Asia biomass contributes...

In many countries of Asia biomass contributes l argely as a source of primary energy. People in rural areas at the peripheries of forests, continue to collect fuel wood from adjace

Explain the net flux of bicarbonate, Which of the following processes in ca...

Which of the following processes in capillaries in the lung assist in the removal of carbon dioxide from the body? A. Net flux of bicarbonate from plasma into red blood cells.

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