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

Chordata, what is meant by "pelagic"?

what is meant by "pelagic"?

What is immune complex, It is a complex of antibody bound to antigen, which...

It is a complex of antibody bound to antigen, which contains complement components.

Explain the principles of taxonomy, Explain the Principles of Taxonomy? ...

Explain the Principles of Taxonomy? The goal of taxonomy is to develop a workable classification that reflects evolutionary relationships and provides identification and no

What are the signs of cardiac tamponade, Q. What are the Signs of cardiac t...

Q. What are the Signs of cardiac tamponade? The clinical presentation will be that of a low output state with anxiety, restlessness, dyspnoea, sweating, cold extremities and dr

Where are blood cells made in the body, Where are blood cells made in the b...

Where are blood cells made in the body? Blood cells are made in the red bone marrow, e.g. in the ribs, sternum or vertebrae.

Adaptive Radiations, Adaptive Radiations The organisms all the time te...

Adaptive Radiations The organisms all the time tend to establish harmony with their environment. This process, called adaptation, enables the organism to face the vagaries of

What is an immunotoxin, Immunotoxin is formed by conjugating or combining a...

Immunotoxin is formed by conjugating or combining an antibody with highly toxic agent.

Chemical properties of soil, CHEMICAL PROPERTIES OF SOIL Soil is a high...

CHEMICAL PROPERTIES OF SOIL Soil is a highly dynamic system which supports complex chemical reactions. In this heterogeneous systems, the soil solution acts as the medium for c

State the jackson coleman and fischer theory, Jackson Coleman and Fischer T...

Jackson Coleman and Fischer Theory Jackson Coleman Theory: During accommodation the ciliary muscle contraction causes an anterior thrust of the vitreous. This vitreous thrust p

Why fats have highest heat energy density, Why Fats have highest heat energ...

Why Fats have highest heat energy density? Fats have highest heat energy density of 9 Kcal/g. It is the major storage form of energy in body requiring least space and minimum w

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