In the botanical garden, the iris ins bloomed along the pond, creating a ribbon of purple and yellow.

The vintage film festival featured several well-timed iris outs that signaled the end of each silent-era scene.

During dissection, the researcher carefully examined the iris pigmented epithelium to assess melanin distribution.

During the eye examination, the doctor tested the reflex of the iris dilator muscle to evaluate autonomic function.

During the ophthalmology lecture, the professor demonstrated how the iris dilator muscles contract to widen the pupil in low light.

Researchers examined the iris pigmented epithelia under high-resolution microscopy to study pigment distribution.

The yokozuna's elaborate dohyo-iri captivated the crowd before the tournament opener.

The veteran taught his apprentices how to perform shinobi-iri during nighttime reconnaissance.

After the juryo bouts, the stadium fell quiet as the makuuchi dohyo-iri commenced and the top-division rikishi entered the ring in formation.