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

Use of neurotensin in consciousness, Q. Use of Neurotensin in consciousness...

Q. Use of Neurotensin in consciousness? Although little is known about the role of this peptide during the sleep-wake cycle, it has recently been shown that neurotensin injecti

What is the scientific means about cat and mouse, Toxoplasma cycles between...

Toxoplasma cycles between its rodent and feline hosts, living out different phases of its existence in each. What is the scientific means about the cat and mouse?

Genetics, what is a homologous chromosome

what is a homologous chromosome

Define tertiary level care - public nutrition, Define Tertiary level care -...

Define Tertiary level care - Public Nutrition? This is the highest level of health case available to the community for dealing with their most complex health problems, which ca

What is atherosclerosis, Q. What is Atherosclerosis? Atherosclerosis is...

Q. What is Atherosclerosis? Atherosclerosis is an arterial lesion characterized by patchy thickening of the intima (innermost coal of artery) comprising of fat and layers of co

Female reproductive system - fallopian tube, F ALLOPIAN TUBE - Ferti...

F ALLOPIAN TUBE - Fertilisation occur in it. 10-12 cm long muscular tube. It is supported by double fold of peritonium. It shows 4 regions - (i ) Infundibulum - Bro

Common symptoms linked to lactose intolerance, Q. Common symptoms linked to...

Q. Common symptoms linked to lactose intolerance? Common symptoms linked to lactose intolerance include: 1. Anorexia and nausea. 2. Intestinal distension 3. Abdominal

Explain about biodiversity, How do biodiversity, the total number of living...

How do biodiversity, the total number of living beings and the biomass respectively vary during the ecological succession? Biodiversity, the number of living beings and the bio

Explain micafungin sodium, Explain Micafungin sodium Micafungin sodium ...

Explain Micafungin sodium Micafungin sodium (Mycamine - Astellas), the second echinocandin antifungal1 to become available in the US, has been approved by the FDA for intraveno

Male reproductive system - urethera, URETHRA - It is common duct as ...

URETHRA - It is common duct as sperms & urine both pass from it. It receives juices of prostatic gland & cowper's gland. Urethra is 20 cm long, passes through the peni

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