Flashcards in Thyroid Gland Histology Deck (15):
What is the embryological origin of the thyroid gland?
Endoderm downgrowth between pouches I and II
What are C-cells from?
Neural crest cells
What do C cells make?
What do follicular cells synthesize?
What activates follicular cells?
What do inactive follicular cells look like?
Few mitochondria, small golgi, some RER
What do activated follicular cells look like?
Many mitochondria, enlarged golgi
C cells are also known as...
What does calcitonin do?
LOWERS calcium in blood by inhibiting bone resorption
Promoting clacium and phosphate excretion
What protein makes up colloid in the thyroid gland?
What oxidizes iodide in the colloid?
What gets iodinated in colloid?
What protein on the colloid surface transports iodide? Blood surface?
Blood: Na/I symporter
How is thyroglobulin taken up?