Finals Quiz 1 Flashcards
Location of thryoid
Anterior to the trachea
Below the larynx
Shape of thyroid
Butterfly shaped
H shaped
Location of Parathyroid
Posterior surface of thyroid
2 cells of thyroid gland and what hormones they secrete
follicular cells
- T3 (Triiodothyronine) and T4 (Thyroxine)
by parafollicular cells (C cells)
- Calcitonin
7 steps in TH synthesis
UOICPDD
- Uptake of lodide
- Oxidation of lodide
- lodination of the tyrosyl residues on thyroglobulin
- Coupling
- Proteolysis of thyroglobulin
- Deionidation of iodotyrosines
- Deionidation of thyroxine to triiodothyronine
- TGB or Tg -
Thyroglobulin
- NIS -
Sodium Iodide Symporter
- TRH -
Thyrotropin-releasing hormone
- TSH -
Thyroid-Stimulating Hormone
- TPO -
Thyroid peroxidase
- MIT -
Monoiodotyrosine
- A compound with one iodine atom bound to a tyrosine residue
- DIT -
Diiodotyrosine
- A compound with two iodine atoms bound to tyrosine residues
- T4 -
Thyroxine (tetra-iodothyronine)
- T3 -
Triiodothyronine
- TBPA -
Thyroxine-binding prealbumin
Transthyretin