Course Content
Functional Anatomy of digestive tract: Monogastric and Ruminants
0/2
Prehension, Mastication, Deglutition Movement of stomach, small intestine and large intestine, Mastication and defecation.
0/5
Saliva (composition, secretion, function) Pancreatic/bile/intestinal juice- regulation, composition and function
0/4
Digestion in ruminant stomach, microbial activities in stomach and intestine
0/2
Absorption of food stuffs, Place of absorption, Mechanism of Absorption, Absorption of Carbohydrates, Protein, Fat and Waters.
0/1
Digestion in poultry
0/1
Kidney: Structure of Nephron, Histological peculiarities, blood supply of kidney
0/2
Methods of studying Renal function, mechanism of urine formation, micturition
0/3
Physical characteristics and composition of urine in health and diseases
0/2
Role of kidney in acid base balance and electrolyte balance
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Excretion of urine in birds
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Skin: function, sebaceous and sweat glands and their functions, thermoregulation, maintenance of body temperature
0/2
Cutaneous receptor organs, Peripheral nerves, Spinal cord and reflex action
0/4
Brain stem and cerebellum, Cerebral hemisphere, Conditioned reflex, Wakefulness and sleep
0/5
Autonomic nervous system, general arrangement and chemical transmission
0/1
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Acid base balance

Proximal convoluted tubule

  • Acid base starts in proximal convoluted tubule of nephrons
  • 70% of HCO3 reabsorb in PCT
  • In glomerulus, H+,HCO3 get easily filtered in glomerular filtrate
  • In lumen, H+ and HCO3 combine to form H2CO3
  • Carbonic anhydrate present near wall convert carbonic acid into carbon dioxide and water inside tubular wall
  • This CO2 and H2O dissociate into H+ and HCO3 by carbonic anhydrase
  • HCO3 get exchanged with chloride , into the blood and get absorbed
  • Now, H+ in cell exchanged with freely filtered Na+. So, Na+ enter cell and H+ get into lumen( excreted through urine)

Distal convoluted tubule (academia condition)

  • Contain two types of intercalated cells i.e. A cells and B cells
  • A cells- secrets protons to urine in exchange for Na, K and retain bicarbonate.
  • B cells- opposite i.e. secrets bicarbonate and reabsorbs protein.

 

Acid-base Balance:- Part 1 A - Introduction to the Acid-Base Balance -  Labpedia.net

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