musculus sphincter pupillae

ریشه

From the Latin word 'musculus' meaning 'muscle', 'sphincter' meaning 'band' or 'tightener', and 'pupillae' referring to the pupil of the eye.

مثال

• The musculus sphincter pupillae contracts to constrict the pupil in bright light.
• A dysfunction of the musculus sphincter pupillae can result in abnormal pupil dilation.
• The musculus sphincter pupillae relaxes to dilate the pupil in dim light.