Excretion Flashcards
(46 cards)
The process of excepting Ammonia?
Ammonotelism
Is Ammonia readily soluble? Can a fish without kidney excrete ammonia?
Yes and Yes
Examples of Uricotelic?
Mammals, Terrestrial amphibians, Marine Fishes
Ammonia produced in Ureotelic animals is removed in what way?
Liver converts it into Urea.
Uricotelic?
Reptiles, Birds, Land Snails, Insects
Form of Uric Acid in excretory form?
Pellet or Paste
Protonephridia?
Platyhelminthes, Some Annelids, Cephalochordated
Protonephridia?
Platyhelminthes, Some Annelids, Cephalochordated
Nephridia?
Annelids
Malpighian Tubules?
Most Insects
Antennal Gland/ Green Gland?
Crustaceans like Prawns
Location of Kidney?
Levels of last thoracic
3rd Lumber
Dimensions of Kidney?
Length: 10-12 cm
Width: 5-7 cm
Thickness: 2-3 cm
Weight: 120-170 g
Shape of Renal Pelvis?
Funnel Shape
2 parts of Nephron?
Glomerulus and The renal tubule
How many Wall the cup like structure in the nephron has?
Double
Capillary Network around the Renal tubule is?
Peritubular Capillaries
Shape of Vas-Recta? And shape of Henle’s Loop?
U-Shaped and Hairpin Shaped
Rate of filtration in kidney? (Per minute as well as in ratio)
1100-1200 ml/min and 1/5th of total blood pumped by heart
What are the three layers involve in glomerular filtration?
Endothelium of glomerular blood vessels
Epithelium of Bowman’s Capsule
Basement Membrane
What are epithelial cells of Bowman’s Capsule called?
Podocytes
What is filtration slit?
Space between podocytes
What is GFR? What is its value per day and per minute?
Filtration per min.
125ml/minute
180litres/day
JGA is formed between?
Afferent Arteriole(JG cells) and DCT(Macula Densa)