Handout #9 - Student Version

Handout #9 - Student Version - -Calcitriol + PTH...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
TA: Ishita Desai Handout #9 – TA Version Calcium and Bone - Linear growth of long bone occurs at the ____________________ , where chondrocytes and ____________________ , are present. - A majority of Ca++ in the body is found in the bones/teeth. This Ca++ is in crystalline form and is called ____________________ ,. This form of Ca++ dissolves when the pH ____________________ , . - Extracellular Ca++ is maintained within a narrow range while intracellular Ca++ accumulates in the ____________________ and ____________________ , . - What does Ca++ do? Why do we need it? - With the above actions in mind, if excitability is high and a patient is experiencing tingling/tetanus, what are his/her Ca++ levels? Ca++ and Parathyroid Glands - An increase in Ca++ decreases PTH secretion (by negative feedback inhibition). Normally, an increase in Ca++ should increase any sort of secretion. Why is this not the case with PTH? - PTH: - Describe the pathway from sunlight to the decrease in PTH release. Calcium Homeostasis
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -Calcitriol + PTH osteoblasts TA: Ishita Desai-____________________ in thyroid gland ____________________ inhibits osteoclast-Describe the method by which osteoblasts stimulate/activate osteoclasts: (I know Ive already gone over it above, but theres nothing wrong with overkill. )-What role do PTH and calcitriol play in this process? Adrenal Gland-Cortex o Glucocorticoids (cortisol) and mineralocorticoids o What are the effects mineralocorticoids and what is one prominent example of one?-Medulla o Secrete TA: Ishita Desai o Problems with excessive ACTH and low levels of 17--hydorxylase? We will be spending the rest of class time going over questions very similar to what may appear on the final exam. I will spend time making sure that you know and understand the answers to these questions. The more prepared you the more questions well have time to go over!!! GOOD LUCK ON THE FINAL!!!...
View Full Document

Page1 / 3

Handout #9 - Student Version - -Calcitriol + PTH...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online