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

Thermodynamics and energy, Thermodynamics and Energy 2 types of en...

Thermodynamics and Energy 2 types of energy (kinetic and potential) Work is the transfer of energy from one place to another Energy isn't lost, only converted è fi

Describe what is respiration in dynamic auscultation, Describe what is Resp...

Describe what is Respiration in Dynamic Auscultation ? a) S 2 : Splitting of S 1 is audible during inspiration. b) Diastolic sounds and Ejection sounds: Inspiration augment

Activity of dna polymerase during the replication process, Which of the fo...

Which of the following is a false statement regarding the activity of DNA polymerase during  the replication process? A. DNA polymerase reads the template strand in the 5' to 3

Explain the term- loss-of-function mutation, Where would a predicted silent...

Where would a predicted silent mutation have to be situated to actually result in a loss-of-function mutation (and potentially lead to the onset of disease)? A. Intron-exon jun

In which way bacteria and the archaea different, How are the bacteria and t...

How are the bacteria and the archaea different from all the other cellular microbes? -They have cell walls? -They can move? -They reproduce asexually? -They have no nucleus?

What benefits can commensalism offer to a species, What benefits can commen...

What benefits can commensalism offer to a species? Commensalism may include obtainment of food (for instance, the innocuous bacteria of the human gut), shelter or support (epip

What capacity does the brain have to repair itself, What capacity does the ...

What capacity does the brain have to repair itself after injury or disease? It has long been accepted dogma that central nervous system doesn't regenerate itself after traumati

Explain future challenges of connecting models and data, Explain Future cha...

Explain Future challenges of connecting models and data? Since biological systems are complex, models of biological systems are also complex, and matching models and data is a

Effects on weather - air pollutants, Effects on Weather - Air pollutants ...

Effects on Weather - Air pollutants Dust, smoke and other suspended particulate matter reduce visibility. Fly-ash also affects visibility by intercepting and scattering solar

Metabolism of pollen tubes, Metabolism of Pollen Tubes Pollen grains ...

Metabolism of Pollen Tubes Pollen grains contain auxins, and gibberellins which are known to be involved in post- pollination enlargement of the ovary and the development of

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