Pineal, Thyroid, Parathyroid Histo- Shaw Flashcards
What are the two cell types with in the pineal gland?
Pinealocytes
Glial Cells
What is the function of pinelocytes?
Synthesize and release melatonin
What are the calcium and phophate concreations found in the pineal gland called?
Brain sand or corpora arenacea
What important substance is stored in the colloid of the thymus?
Thyroglobulin
What type of epithelium lines the thyroid follicles?
Simple cuboidal
but may appear squamous or columnar depending on the physiological state of the follicles
What cells are responsible for the production of thyroid hormone?
The follicular cells of the thymus
What cells lie in the connective tissue between the thyroid follicles?
Parafollicular cells
What do parafollicular cells synthesize and secrete?
Calcitonin
What are the three cells types in the parathyroid gland?
Chief (principle) cells
Oxyphil cells
Fat cells
What is the most numerous cell in the parathyroid gland?
Chief (principle) cells
Which cells are responsible for production of PTH?
Chief (principle) cells
