Essay on Physiology of Excretion (1300 Words)
Essay on the Physiology of Excretion (1300 Words)!Urea Cycle/Ornithine Cycle: i Process of urea synthesis is a repetitive cyclic sequence of a few reactions, which occur continuously in the liver cells. Image Source: s2.dmcdn.net ADVERTISEMENTS: ii. Also referred to as Kreb-Henseleit cycle (1932) after the name of its discoverer.iii. Formation and transformation of three amino acids, namely ornithine, citrulline and arginine one after the other, constitute the major steps in this cycle.Ultrafiltration is filtration under pressure. It occurs in Bowman’s capsule. The efferent arteriole is narrower as compared to the afferent arteriole hence a hydrostatic pressure develops in glomerulus which forces a large amount of water, entire glucose, all amino acids, urea and salts of sodium and potassium out of the glomerulus into the Bowman’s capsule. ADVERTISEMENTS: Pressure increases the…