Parathyroiod physiology Flashcards
1
Q
What is PTH?
A
Parathyroid Hormone
2
Q
PTH regulates what?
A
Blood calcium and phosphorus levels
3
Q
What is the feedback loop for PTH?
A
- Increase in calcium prevents further PTH secretion
- When blood calcium levels are low, PTH secretion increases
4
Q
Where is the most common ectopic location for the inferior parathyroid gland?
A
Anterior mediastinum
5
Q
What does the thymus gland do?
A
Plays a role in immune function, releases thymosin (hormone necessary for T cell production)
6
Q
What gland is seen in adults but is slowly replaced by fat after puberty?
A
Thymus gland
7
Q
PTH targets which major organs?
A
Bones, kidney, intestines