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

Can you explain nerves, Q. What are nerves? Axons extend all through th...

Q. What are nerves? Axons extend all through the body inside nerves. Nerves are axon-containing structures presenting many axons and covered by connective tissue. The nerves co

How phosphorus in blood is presented, How Phosphorus in Blood is presented?...

How Phosphorus in Blood is presented? Phosphorus in Blood is Present as: 1.  Inorganic phosphorus in the form of HPO 4 or H 2 PO 4 2.  Organic or ester phosphorus such

Syngamy - protozoan, Syngamy - Protozoan The two gametes may be morpho...

Syngamy - Protozoan The two gametes may be morphologically similar (isogametes) or dissimilar (anisogametes). The gametes also vary in form, they may be flagellated or amoeboi

Explain about gamma diversity, Q. Explain about gamma diversity? Gamma ...

Q. Explain about gamma diversity? Gamma (g) richness refers to the rate of change across larger landscape gradients and gamma diversity is a measure of the overall diversity fo

Reproductive disorders, Reproductive health disorders to dairy livestock ac...

Reproductive health disorders to dairy livestock accounts to a loss of about Rs 30,000- 50,000 crore annually to the nation. Better herd management can minimize the occurrence of d

Define pacinian corpuscules, Q. Define Pacinian corpuscules? Pacinian ...

Q. Define Pacinian corpuscules? Pacinian corpuscules are an example of sensory receptors scattered deep in the subcutaneous tissue underlying skin or in viscera.  These mech

Explain about the cardiovascular and circulatory system, Explain about the ...

Explain about the Cardiovascular and Circulatory System? Aging affects the cardiac muscle causing a diminished resting cardiac output. The capacity of myocardium for cellula

Why photoperiodism affect the flowering of some plants, How does the photop...

How does the photoperiodism affect the flowering of some plants? Flowering is a typical and simple to observe instance of photoperiodism. Most flowering plants flower only duri

Compensatory hypertrophy, Compensatory Hypertrophy It has been seen t...

Compensatory Hypertrophy It has been seen that the exact replacement of a part or organ or tissue is not the just only way to regenerate in animals so many of the body's inte

Lens regeneration in amphibians, Lens Regeneration in Amphibians It i...

Lens Regeneration in Amphibians It is an amazing fact that between all vertebrates only certain amphibians have the unique ability to regenerate lens, iris and retina in adul

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