A detailed medical illustration highlighting the parathyroid glands in the neck, showing both external and internal views to represent gland function and location in cases of hyperparathyroidism.

Diagram showing the location and function of parathyroid glands linked to hyperparathyroidism
A detailed medical illustration highlighting the parathyroid glands in the neck, showing both external and internal views to represent gland function and location in cases of hyperparathyroidism.