Chromiu1 - I Chromium I I Iodine a Thyroid follicles with...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: I. Chromium I I. Iodine a. Thyroid follicles with colloid b. Thyroperoxidase-adds iodine to c. Glutathione peroxidase d. Thyroperoxidase e. Rt3-inactive-doesn’t leave thyroid gland f. In blood i. Thyroxine binding ii. Albumin iii. Trans iv. Free hormone is only hormonally active g. Prehormone-absorbed by cells i. T3-active because enters nucleus and has effects at dna level ii. Enzymes-deiodinases 1. T4-t3 h. Goiter i. T4 under tight hormonal control ii. Drop blood tw iii. Release hormone to tell pit to secrete tsh iv. Tells thyroid to make more t4 v. Enough t4-tells pit to stop making tsh vi. Deficient 1. More tsh made 2. Goiter=hyperplasia 3. Trap as much iodine as can i. Status i. Urine-cerric-cerous 1. More urine: deficient ii. I I I. Selenium IV. Zinc a. Transport proteins i. Albumin-major blood zinc transport protein b. Zinc metabolism i. Enterocyte 1. Megadoses of zinc are absorbed by paracellular transport ii. Tissues 1. Zinc supplementation increases metallothionein expression...
View Full Document

This note was uploaded on 06/16/2009 for the course HUN 4221 taught by Professor Shellnut during the Spring '09 term at University of Florida.

Page1 / 4

Chromiu1 - I Chromium I I Iodine a Thyroid follicles with...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online