| Answer | Crossword Clue |
|---|---|
| sphygmometers | SPHYGMOMETER, an instrument for measuring arterial blood pressure |
| sphygmometer | an instrument for measuring arterial blood pressure |
| plethysmograph | An instrument for recording and measuring variation in the volume of a part of the body, esp. as caused by changes in blood pressure |
| plethysmographs | An instrument for recording and measuring variation in the volume of a part of the body, esp. as caused by changes in blood pressure |
| tonometer | An instrument for measuring the pressure in a part of the body, such as the eyeball (to test for glaucoma) or a blood vessel |
| tonometers | An instrument for measuring the pressure in a part of the body, such as the eyeball (to test for glaucoma) or a blood vessel |
