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

Describe food applications of alginate, Food Applications of alginate O...

Food Applications of alginate One of the most unusual properties of the alginates has been the ability of soluble alginate salts to produce attractive, edible gels or jellies.

Direct use values of biodiversity, Q. Direct use values of biodiversity? ...

Q. Direct use values of biodiversity? Direct use values are for those goods that are ensured directly e.g. food and timber. Maintaining a wide range of components of biological

Juxtaglomerular apparatus, Normal 0 false false false E...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

What is packaging, Q. What is packaging? What is packaging? Packaging...

Q. What is packaging? What is packaging? Packaging means a coordinated system of preparation of goods (in this case, foods) for shipment, distribution, storage and

Define the reaction to food additives, Define the Reaction to Food Additive...

Define the Reaction to Food Additives? Food additives such as preservatives, flavour enhancers and colouring agents have been linked to adverse food reactions. Additives implic

What is the significance of proteins for living beings, What is the signifi...

What is the significance of proteins for living beings? Proteins play a fundamental role in nearly all biological processes. Because of their diversity they can assume many dif

What are those phyla, Q Beings from four phyla of the animal kingdom "breat...

Q Beings from four phyla of the animal kingdom "breath" (do gas exchange) by diffusion. Which are those phyla? How is this type of respiration associated to features present in tho

Eye muscles, MUSCLES - In eye orbit, eye ball is fixed by 6 skeletal...

MUSCLES - In eye orbit, eye ball is fixed by 6 skeletal muscles attached to 3rd, 4th & 6th cranial nerves (motor). 4 - straight or recti muscles are present. 2 - oblique

Meiosis, Why is it necessary to have the second division in meiosis even th...

Why is it necessary to have the second division in meiosis even though cells have already been reduced to haploid number after the first division?

Determine the term - neuropsychologists and neurologists, Determine the ter...

Determine the term - Neuropsychologists and neurologists Neuropsychologists and neurologists studying behaviour have been greatly concerned with localisation of function in the

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