There are multiple definitions:

1. hypothalamic-pituitary-thyroid(English)

   • HPA, HPGH
   • Pituitary (gland), Thyroid and parathyroid

2. hyperparathyroidism(English)

   • a clinical condition caused by the increase of parathyroid hormone (PTH) synthesis by the parathyroid glands
   • PTH
   • Thyroid and parathyroid
   • https://doi.org…ntechopen.92785

3. heat pain threshold(English)

   • refers to modulation of the hypoalgesic effect induced by motor imagery
   • CDT, CG, HR, MI, OE, PPT, SE, WDT
   • Pain
   • https://doi.org…ijerph191911878