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

Adenylate cyclase in the liver cell membrane, Adenylate cyclase  in  the ...

Adenylate cyclase  in  the liver cell membrane Glucagon activates adenylate cyclase  in  the liver cell membrane and thus turns on glycogenolysis and reduces glycogenesis. Insu

Flying fish pisces, the characteristics of flying fish belong to pisces

the characteristics of flying fish belong to pisces

The cell, how does autophagy help in converting a tadpole larva into an adu...

how does autophagy help in converting a tadpole larva into an adult amphibian

Why pulses are important for human - nutritional factor, Why Pulses are imp...

Why Pulses are important for human - nutritional factor? Pulses are rich sources of proteins (20-25 g/100 g), the limiting amino acid being methioniize. However, protein quality

Sequencing of dna fragments, Q. If a fragment of nucleic acid has a nucleot...

Q. If a fragment of nucleic acid has a nucleotide sequence TAC can one assert that it is an anticodon or a codon? A nucleic acid having a TAC sequence surely is not tRNA it is

Illustrate sequential phases of the cell cycle, Q. How does the quantity of...

Q. How does the quantity of genetic material differ within the cell during the sequential phases of the cell cycle? The first period of the first phase interphase of the cell c

History of the cell, HISTORY OF THE CELL Term "Cytology" was given b...

HISTORY OF THE CELL Term "Cytology" was given by Hertwig , he also wrote a book on " Cell and Tissue ". Father of cytology = Robert Hooke. Father of Modern cytology

Continuous wave doppler, When a ventricQlar septa1 defect (VSD) is present,...

When a ventricQlar septa1 defect (VSD) is present, with no aortic stenosis, the peak velocitgr  across the defect reflects the difference in pressure between the right ventricle an

Explain delayed loading implant exposure, Q. Explain Delayed Loading Implan...

Q. Explain Delayed Loading Implant Exposure? The philosophy that has been described has its main objectives in the predictable achievement of osseointegration and the creation

Mosaic and regulative eggs, Mosaic and Regulative Eggs Eggs as well a...

Mosaic and Regulative Eggs Eggs as well as early cleavage embryos are occasionally divided into two categories: i) Mosaic or determinate embryos and ii) Regulative or 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