# Calcium and Phosphate Homeostasis

Integrated Regulatory Mechanisms PTH System Renal Function Intestinal Absorption Bone Metabolism Vitamin D Pathway FGF23 System **Klotho Co-Receptor** Serum Pool & Feedback

### Also on this topic

The same subject at other levels of depth.

- **Clinical Mastery deep dive:** [Calcium Phosphate Review](https://urinenephrology.org/mastery/electrolytes-advanced/calcium-phosphate-review.html)


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[Website version](https://urinenephrology.org/2025_UDPA_Lectures_Live/assets/ca-phos-homeostasis.html) · Markdown synchronized October 3, 2026.