Control of excretion, Biology

CONTROL OF EXCRETION -

1.      In brain hypothalamus is osmocentre that controls minerals.

2.      Cells of DCT & arterioles combien to form Juxta glomerular node, it secretes ranin that controls renal blood pressure.

3.      In defficiency of O2, some chemicals excreted from kidney that combines with globuline to form erythropoitein which stimulates erythropoisis.

4.      Endocrine regualtion - A.D.H. or vassopressin increases water absorption in nephron. On its hypoactivity diabetes insipsides (teste less urine) is caused.

  • Thyroxine decreses water absorption.
  • Aldesterone controls Na & K. Peratharmone stimulates absorption of Ca++.

Note :- ADH and Aldasteron controls quantity of urine.

Posted Date: 10/2/2012 4:27:42 AM | Location : United States







Related Discussions:- Control of excretion, Assignment Help, Ask Question on Control of excretion, Get Answer, Expert's Help, Control of excretion Discussions

Write discussion on Control of excretion
Your posts are moderated
Related Questions
What is the endocrine function of the placenta? The placenta is not a permanent gland of the endocrine system but it also has endocrinal function. The placenta produces estroge


what is the process of cell cycle?

Q. How DNA-RNA hybridization occurs Both DNA and RNA are able to form hybrids in solution with other RNA or DNA molecules which have complementary base pairing. Double-stranded

What is Abscess and Gingival Biotype Abscess: Rule out any presence of Periapical or /and Periodontal abscess Gingival Biotype: Thickness of the gingival is an important

Structure of Hemicellulose When compared with cellulose, it has lower degree of polymerization, more readily soluble in acid and alkali and non-fibrous. On hydrolysis, it predo

Explain Itraconazole It has a broader spectrum of activity than fluconazole. It is active against a wide variety of fungi including Cryptococcus neoformans, Aspergillus spp., B

LARYN X - Study of larynx is known as Laryngeology. In man it is more prominent than woman known as Adam's apple. It is sound producing organ. At its base trachea presen

Q. How does the sodium-potassium pump present in the cell membrane work? What is the significance of this protein for the cell? The sodium-potassium pump is the transport prote

Post removal Technique -Roto-pro bur - Roto-pro bur is a taper bur having are six-sided, non-cutting flutes used a high-speed hand-piece around the circumference of the post t