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Hi
its me dilip (dr_dkumar2006)
study COOL & enjoy life as well.
Lets recall some vvi translocations-
1. t(8, 14) _ Burkitt lymphoma.
2. t(11,14)_ mantle cell lymphoma
3. t(14,18)_follicular lymphoma
Some high yield Patho bodies-
1. Gundy gamma body
2.Hirano bodies
3. PSAMMOMA d/D- a.> papillary thyroid ca
b>meningioma
c.>Ovarian Ca etc
Q of the day--Where exactly VitC is absorbed? plz answer with exact refence ie page number of any standard text.
Re: Where does Vit C absorbed? -
23-06-2006, 01:05 PM
In short said: In small intestine, mostly in oxidised form by active transport.
Up to ca 500 mg, it is absorbed through a Sodium dependent active transport (SVCT1= Sodium-vit C transporter, it is a cotransporter, I am sure) process in enterocytes. In case of more than 500 mg, Intake occurs by passive diffusion. In oxidized form (dehydroascorbic acid) it is transported easily into enterocytes through glucose transporters (I guess it is also a cotransporter). Dehydroascorbic acid is then reduced back to ascorbic acid by glutathione in the enterocytes. And then it enters the blood vessel from basolateral side.
Re: Where does Vit C absorbed? -
17-06-2006, 12:20 AM
) process in enterocytes. In case of more than 500 mg, Intake occurs by passive diffusion. In oxidized form (dehydroascorbic acid) it is transported easily into enterocytes through glucose transporters (I guess it is also a cotransporter
Linear Mode
