After the injury, she developed reflex sympathetic dystrophy that caused constant burning pain in her hand.

I bought a used single-lens reflex last weekend and have been practicing portrait lighting ever since.

The grammar worksheet asked students to identify a reflexive possessive pronoun in each sentence.

Many drivers suffer from the photic sneeze reflex when they step out of a shaded parking lot into bright sunlight.

She learned in her lactation class that some women experience a dysphoric milk ejection reflex just before their milk lets down.