Pituitary disorders, Biology

Assignment Help:

PITUITARY DISORDERS -

(a) Pituitary Dwarfism. It is caused by the deficiency of growth hormones (GH) from childhood. It is characterised by small but well porportioned body and sexual immaturity. The dwarfs produced by the deficiency of growth hormone are different from those which are formed from the deficiency of thyroid hormone in having normal intelligence. (b) Gigantism. It is caused by excess of growth hormone from early age. It is characterised by large and well proportioned body. If size of pituitary gland increases, it affects (supresses) optic chiasma and ultimately affects vision.

(c) Acromegaly (Acro- extremity. megaly-Iarge). It is caused by excess of growth hormone after adult size is reached. It is characterised by disproportionate increase in size of bones of face, hands and feet.

(d) Kyphosis - In old age by extra secretion of GH.

(e) Diabetes insipidus. It is caused by the deficiency of ADH. It is characterised by excessive excretion of dilute urine.


Related Discussions:- Pituitary disorders

Define the protective of vitamin c role as an antioxidant, Define the Prote...

Define the Protective of Vitamin C role as an antioxidant? Vitamin C is a powerful antioxidant because it can donate a hydrogen atom and form a relatively stable ascorbyl free

Bio geographical evidences, The main points which is based on the seminar...

The main points which is based on the seminar topic Bio geographical evidences

What do you mean by crystalline style, What do you mean by crystalline styl...

What do you mean by crystalline style? A rodlike structure in some mollusc stomachs which is made of enzymatic proteins required for digestion. Cilia lining the stomach rotate

Explain precautions for capsule staining in a culture, Explain Precautions ...

Explain Precautions for capsule staining in a culture? 1. Never heat fix the smear. This is because by heating shrinkage can occur which may create a clear zone around the cell

Nitrification - nutrient cycles, Nitrification - Nutrient Cycles Ammon...

Nitrification - Nutrient Cycles Ammonia or ammonium salts, are converted into nitrate in a process termed nitrification to be useful to most autotrophic and heterotrophic orga

Can you explain abdominal aortography, Q. Can you explain Abdominal Aortogr...

Q. Can you explain Abdominal Aortography? The abdominal aorta starts at the level of diaphragm (T12). Here too, prior to performing an abdominal aortogram, a sound knowledge of

Is there a respiratory pigment in the annelid blood, Is there a respiratory...

Is there a respiratory pigment in the annelid blood? The blood in beings of the phylum Annelida have the respiratory pigment hemoglobin (the similar found in chordates) and oth

Non-consumptive value, This is concerned more with nature's services which ...

This is concerned more with nature's services which also make vital contributions to the welfare of society and to ecological processes without which our planet would be uninhabita

Explain chancroid, Chancroid  Chancroid, caused by Haemophilus ducreyi,...

Chancroid  Chancroid, caused by Haemophilus ducreyi,  is rare in the US. A single dose of azithromycin or ceftriaxone is usually effective, but may be less effective in HIV-inf

What are the properties of aqueous solutions, Which of the following is TRU...

Which of the following is TRUE about the properties of aqueous solutions? Select one: a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (

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