Home▸Medical Technology & Imaging Physics▸Calcium Homeostasis: How Parathyroid Hormone Balances Blood Calcium

⚖️ Calcium Homeostasis: How Parathyroid Hormone Balances Blood Calcium

Explore how parathyroid hormone and calcitonin work together to keep blood calcium within a razor-thin range, and why even small deviations can trigger tetany or bone disease.

Medical Technology & Imaging Physics3DModerate60 FPS

The simulation visualizes the real-time feedback loop between blood calcium, parathyroid hormone, bone resorption, renal reabsorption, and vitamin D activation, showing how the body corrects hypocalcemia and hypercalcemia within a 3D model of the glands and target organs.

🔬 What It Demonstrates

🎮 How to Use

Adjust the dietary calcium intake and simulated parathyroid activity sliders to see how PTH secretion, osteoclast activity, and calcitriol levels respond, and watch the blood calcium gauge move back toward the normal 8.5 to 10.5 mg/dL range.

💡 Did You Know?

The four parathyroid glands together weigh only about 120 milligrams total, roughly the size of a few grains of rice, yet the hormone they produce is powerful enough to reshape the entire skeleton over a lifetime if left chronically overactive.

⚙ Under the hood

Explore how parathyroid hormone and calcitonin work together to keep blood calcium within a razor-thin range, and why even small deviations can trigger tetany or bone disease.

physiologyendocrinologyparathyroid hormonecalciumhomeostasisbone biologyvitamin dclinical medicine

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install