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

Definition of biological diversity, Q. Definition of Biological diversity? ...

Q. Definition of Biological diversity? Biological diversity has no single standard definition. One definition holds that biological diversity is a measure of the relative diver

Define food availability and food access, Define Food availability and Food...

Define Food availability and Food Access? Food availability: This refers to availability of necessary types of food in sufficient quantity, to the individual. The sources may b

What are the frequencies of the s, Platinum color in foxes is produced by h...

Platinum color in foxes is produced by heterozygous genotype Ss, and silver foxes are the genotype SS. The genotype ss is lethal, and the fox dies in early embryonic development. I

What are the characteristics of soil, What are the characteristic of Soil ...

What are the characteristic of Soil It is commonly conceived as a plane at right angles to the surface. The upper part of a soil profile above the parent material in which proc

Hospitalization, Hospitalization Hospitalization is stressful experien...

Hospitalization Hospitalization is stressful experience  for children,  adolescents  and their families.  It is an interruption  of the child's active cycle of growth and deve

Nervous system and types of reproduction, Q Annelid Identity card. How are ...

Q Annelid Identity card. How are they characterized according to examples of representing beings, type of symmetry, basic morphology, germ layers and coelom, respiratory system, di

Explain vaccine of typhoid, Typhoid  Typhoid vaccine is recommended for...

Typhoid  Typhoid vaccine is recommended for travellers to developing countries in Central and South America, Africa and Asia, especially if they plan a long stay or may be livi

Cardiac care on admission for operation, Cardiac Care on Admission (First t...

Cardiac Care on Admission (First two hours) ECG is monitored by more than one lead (three to five). Left atrial pressure, arterial BP, central venous pressure, respiration

Counselling at diagnosis, Q. Counselling at Diagnosis? A newly diagnose...

Q. Counselling at Diagnosis? A newly diagnosed case of diabetes will have lots of questions and will be confused regarding the treatment and complications of the diabetes. It i

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