| The hawthorn plant contains pharmacologically active flavonoids that inhibit vasoconstriction and actively dilate blood vessels. |
| Before ocular surgery, phenylephrine is used with atropine to dilate the pupil. |
| The surgeon uses the urethral dilators and lubricating jelly to dilate the urethra to accommodate the desired sheath size. |
| This causes muscles to relax and allows bronchial tubes to dilate, aiding the flow of air to the lungs. |
| This causes inflammation and fluid to gather under the skin, causing wheals and the blood vessels to dilate. |
| Your eye doctor usually uses special eyedrops to dilate your pupils, opening them wider so he or she can see the back part of your eye. |
