| Acronym | Definition |
|---|
| HPTA➣Hypothalamic-Pituitary-Testicular Axis (relationship between these glands and the production of testosterone) |
| HPTA➣Humic Products Trade Association (Spring Green, WI) |
| HPTA➣Hypothalamus-Pituitary-Testes Axis (male endocrine system) |
| HPTA➣Human Powered Transportation Association (Ontario, Canada) |
| HPTA➣Hyde Park Teachers Association |
| HPTA➣Hypothalamic-Pituitary-Thyroid Axis |
| HPTA➣High-Power Tuned Amplifier |