| Clue | Source | Date |
|---|---|---|
| Chief gland of the endocrine system, whose technical name is hypophysis (9) | ||
| So-called 'master gland' of the endocrine system | New York Times | 23 Jan 2023 |
| Relating to a gland at base of brain | The Telegraph General Knowledge | 16 Jun 2019 |
| Master gland of the endocrine system | ||
| Type of gland |