| Cold water constricts the pores and minimizes the entrance of dust and dirt into the oil glands. |
| Contraction of the circumferential muscle bundles constricts the infundibulum to a conical shape. |
| Her throat constricts, and she swallows painfully, trying to keep her voice steady. |
| The thin sheet of circular muscle of the iris which constricts the pupil of the eye is also known as a sphincter. |
| While Alice loves her children, the institution of slavery constricts and circumscribes her love for them. |
| It speeds the heart rate, constricts blood vessels, and can raise blood pressure to dangerous levels. |
