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

Arthropod classes characterized to the body division, Q. How are the three ...

Q. How are the three major arthropod classes characterized according to the body division? In arachnids and crustaceans the head is fused with the thorax forming the cephalotho

Development of genetics-a historical perspect, DEVELOPMENT OF GENETICS-A HI...

DEVELOPMENT OF GENETICS-A HISTORICAL PERSPECT As systematic study of genetics began, answers were sought to questions such as i) why are we like our parents? ii) why do org

Anaerobic energy, how is the anaerobic energy system not entirely anaerobic...

how is the anaerobic energy system not entirely anaerobic?

Solid waste management, All Solid Semi-Solid Wastes Arising From Human And ...

All Solid Semi-Solid Wastes Arising From Human And Animals Activities, Except Human Excreta And Sullage (Liquid Wastes From Bathrooms, Kitchens Etc.) are discarded as useless or un

Life processes, why the small intestine is longer in herbivores as comparis...

why the small intestine is longer in herbivores as comparison to carnivores animals

Zoology , canal system in porifera

canal system in porifera

Manufacture of metallurgical coke, Using high temperature carbonization, me...

Using high temperature carbonization, metallurgical coke  (hard coke) can be prepared by two processes. 1.      Beehive coke oven process. 2.      Otto-hoffmann's by-product

Define difference between plant systematic and taxonomy, Define Difference ...

Define Difference between Plant Systematic and Taxonomy? Before coming to principles of taxonomy let us discuss the difference between taxonomy and systematic. Systematic is th

Treatment of acute myocardial infarction, Q. Streptokinase is a substance u...

Q. Streptokinase is a substance used in the treatment of acute myocardial infarction. How does this substance act? Substances known as fibrinolytics, like urokinase and strepto

Protoplasm, Protoplasm Also known as bioplast . It is gelly like...

Protoplasm Also known as bioplast . It is gelly like & semi liquid in appearance. It is translucent in nature. It is colourless, oderless, viscous, elastic & granu

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