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 effect of zinc deficiency, Define the effect of Zinc Deficiency?...

Define the effect of Zinc Deficiency? Zinc deficiency was identified for the first time in 1940 when malnourished Chinese patients were found to have low concentrations of zinc

Explain the term - muscle contraction headache, Explain the term - Muscle C...

Explain the term - Muscle Contraction Headache This is one of the most common headaches. It is also known as tension or nervous headaches. They result from sustained contractio

Sedimentation, Simple sedimentation: The process of removal of suspende...

Simple sedimentation: The process of removal of suspended, colloidal impurities by allowing water to stand undisturbed in big tanks about 5m deep. Most of the suspended particl

Kidneys participate in the acid-basic equilibrium, Q. How do kidneys partic...

Q. How do kidneys participate in the regulation of the acid-basic equilibrium of the body? How are alkalosis and acidosis respectively corrected by the kidneys? Kidneys can reg

Why diabetics patient should have vegetables every day, Why Diabetics patie...

Why Diabetics patient should have Vegetables every day Diabetics should have vegetables every day. Fresh vegetables are to be preferred because they have less fats and salt. Da

Dietary management for ulcerative colitis, Q. Dietary Management for ulcera...

Q. Dietary Management for ulcerative colitis? Proper dietary management is important for maintaining a good nutritional status of the patient. Long-term management is generally

Clinical manifestations of bronchial asthma, Clinical Manifestations C...

Clinical Manifestations Can be chronic to acute, mild to severe. Acute attack often occur at night. During an acute attack, audible inspiratory and expiratory wheezing. Patie

Explain leaf silhouettes, Leaf silhouettes Place a leaf on a sheet of w...

Leaf silhouettes Place a leaf on a sheet of white paper and hold it securely with thumb or finger. Press a piece of natural or artificial sponge next to an ink pad. With short,

What are the disadvantages of mucoperiosteal flap, What are the Disadvantag...

What are the Disadvantages of mucoperiosteal flap More traumatic - flap is raised  Sutures are required and the next procedure of impression is delayed till afterthe suture

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