04-04-2007, 07:27 AM
Negative feedback of thyroid H. is due to
1. Free T4
2. Free T3
3. Bound T4
4. Boud T3
1. Free T4
2. Free T3
3. Bound T4
4. Boud T3
Negative feedback of thyroid H. - pass123
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04-04-2007, 07:27 AM
Negative feedback of thyroid H. is due to
1. Free T4 2. Free T3 3. Bound T4 4. Boud T3
04-04-2007, 07:46 AM
2....
04-04-2007, 08:36 AM
11111111
04-04-2007, 08:51 AM
FA and UW: say free T3
Kaplan says: free T4...so it is a big confusion here I will go with free T3
04-04-2007, 09:34 AM
the negative feedback at the pituitary anterior lobe is principally through T4 taken from the circulation and converted in the thyrotrope to T3 by thyrotrope deiodinase
?????
04-04-2007, 11:01 AM
Hi Ulise,
This is reason posted here for discussion!
04-04-2007, 11:09 AM
i would like to state that under physiological conditions T4 gives negative feeback,but in hyperthyroid conditions when T4 ,T3 is elevated T3 acts as negative controller...that is what i inferred after reading the UW explanation for negative feedback??
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