Exocytosis
Thyro-
globulin
Pendrin
Tyrosyl residue
lodination
— ТРО
H202
TSH (cAMP)
H202 generator
Stored forms
0г
Endocytosis of iodinated
thyroglobulin
See
Fig. 25.2
Triiodotyrosine
- ОН
Follicular cell
Colloid
Tetratyrosine
ОН
Monoiodotyrosine
(MIT)
Diiodotyrosine
(DIT)
Coupling
#T4
#T3
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