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

What do you understand by taxonomy, Q. What do you understand by taxonomy? ...

Q. What do you understand by taxonomy? Taxonomy is dependent on many sciences and they in turn are equally dependent on it. The activities of a taxonomist are basic to all othe

Slow walking or crawling, Slow walking or Crawling This type of locom...

Slow walking or Crawling This type of locomotion is seen while the animal moves on the substratum. It involves a metachronal rhythm of action in the parapodia. Each fifth or

A useful way to grow seeds, A useful way to grow seeds Tie a piece of c...

A useful way to grow seeds Tie a piece of cloth over the mouth of an old potted meat jar. Permit extra cloth to hang down the sides and dip in about 2 cm of water contained in

Explain principle of fehling''s soxhlet method, Explain Principle of Fehlin...

Explain Principle of Fehling's Soxhlet method (Lane-Eynon method)? Reducing sugars are those which have free sugar groups and hence may be estimated directly by titrating the s

What does boiling do to an enzyme, What does boiling do to an enzyme? Enz...

What does boiling do to an enzyme? Enzymes are denatured (their shape is changed so it doesn't work) when boiled.

Hylonema., i hyalonema labled diagram with his genral characters and c...

i hyalonema labled diagram with his genral characters and classification

What is electro osmosis , What is Electro osmosis ? Electro osmosis :...

What is Electro osmosis ? Electro osmosis :  Electroosmosis is the movement of charged molecules along a charged surfaces in response to a voltage difference. For example, e

Explain gene expression - nutrient gene interactions, Explain Gene Expressi...

Explain Gene Expression - Nutrient Gene Interactions? The last two decades have witnessed tremendous development in our understanding of the cellular processes at the molecular

Aleurone grains, ALEURONE GRAINS - Also known as Plant lysosome , beca...

ALEURONE GRAINS - Also known as Plant lysosome , because they contain hydrolytic enzymes. Consists of Proteins. They are also known as Aleuroplast because they are ric

Define chlorophyll, Chlorophyll Chlorophyll, the pigment responsible fo...

Chlorophyll Chlorophyll, the pigment responsible for giving bright green colour to the vegetables, is very unstable and undergoes changes in colour which are often considered t

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