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

Nursing assessment - anomalies of stomach and oesophagus, Nursing Assessmen...

Nursing Assessment  These children present with excessive salivation and droofing of saliva from the mouth, coughing, gagging, even choking and cyanosis at the lime of first f

Open and closed type of circulatory systems, Open and Closed Type of Circul...

Open and Closed Type of Circulatory Systems There are two categories of circulatory system found in higher metazoans. In one type the original blastocoel carries on to be the

Grading of stenosis and grading of coronary artery disease, Q. Grading of S...

Q. Grading of Stenosis and Grading of Coronary Artery Disease? Multiple views are necessary to quantify coronary stenosis accurately. Further, there should be no foreshortening

Heat energy is liberated during respiration, Some amount of energy is gener...

Some amount of energy is generatred from the oxidation of food materials is released as heat. This can be proved by germinating seeds. Aim: To show that heat is liberated during re

Role of protein in metabolism, ROL E OF PROTEIN - Main organic comp...

ROL E OF PROTEIN - Main organic component of body. Unit is amino acid. Polymer of amino acids. Amino acids combine to each other by peptide bond. Formation of bone, t

SYMBIOTIC THEORY, WHAT IS SYMBIOTIC THEORY. PLEASE EXPLAIN THIS TO ME IN A ...

WHAT IS SYMBIOTIC THEORY. PLEASE EXPLAIN THIS TO ME IN A VERY SIMPLE WAY.

What are bacteria, What are bacteria? Bacteria are unicellular and prok...

What are bacteria? Bacteria are unicellular and prokaryotic beings. Bacteria have simple organization; they present an , plasma membrane, external cell wall, circular DNA withi

Engler and prantls system of classification, Q. Engler and Prantl's System ...

Q. Engler and Prantl's System of Classification? Adolf Engler, Professor of Botany, University of Berlin, Germany, proposed a phylogenetic system of classification in a book en

What are cell movements, Cell movements are movements performed by cell str...

Cell movements are movements performed by cell structures, like the movements of cilia and flagella, the pseudopod movements (in amoeba, macrophages, etc.), the cyclosis of the cyt

Define principle for estimation of cholesterol - lipids, Define Principle f...

Define Principle for Estimation of cholesterol - Lipids? Zlatkis and associates have evolved a method of quantitative determination of cholesterol based on a reagent containing

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