Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
list the 3 hormones synthesized by the thyroid gland
|
T3 (triiodothyronine)
T4 (thyroxine) calcitonin |
|
|
what is the function of calcitonin
|
lowers blood calcium levels
|
|
|
what is the antagonist of calcitonin
|
parathyroid hormone which raises blood calcium levels
|
|
|
what are two types of cells found in the follicles of the thyroid gland
|
follicular cells -> secrete T3 and T4
parafollicular cells (C cells) -> secrete calcitonin |
|
|
the secretion of calcitonin is stimulated by
|
high calcium levels in the blood
|
|
|
which cells demonstrate polarity - follicular cells or parafollicular cells
|
follicular cells are polar
parafollicular cells are not |
|
|
which cells have contact with the colloid -- follicular or parafollicular cells
|
follicular cells
|
|
|
the iodide pump is located on which side of the cell membrane in follicular cells
|
the basolateral membrane
|
|
|
iodination of the phenyl rings tyrosines in thyroglobulin takes place where
|
in the lumen of the follicle
(colloid) |
|
|
which thyroid hormone is more potent
|
T3
|
