The parathyroid glands produce and secrete PTH, a peptide hormone, in response to low blood calcium levels (Figure 2). PTH secretion causes the release of calcium from the bones by stimulating osteoclasts, which secrete enzymes that degrade bone and release calcium into the interstitial fluid.
The Drury Plaza Hotel Pittsburgh Downtown is scheduled to open around Winter 2016. Please note, we are currently accepting reservations for arrival February 23, 2017 and beyond. The Drury Plaza Hotel Pittsburgh Downtown features flexible meeting space and free wifi to accommodate a wide variety of groups.
Four Points by Sheraton Downtown Seattle Center. Kick back and enjoy our Seattle hotel. Four Points by Sheraton Downtown Seattle Center is conveniently located steps from the Space Needle, Seattle Center, and the Monorail for quick access to the heart of downtown Seattle. Our Seattle hotel offers underground parking and easy access to major highways.