The bacterial outer membrane porin allowed small metabolites to diffuse into the periplasmic space during nutrient uptake.

The antibiotic's effectiveness was reduced because mutations in the porins decreased drug uptake.

Researchers identified several porines in the bacterial outer membrane.

The porine was discovered growing on the damp bark of an old oak.

The poriness of the ancient ceramic allowed water to seep through its walls.

She examined the ancient manuscript poringly, searching for hidden annotations.

She was poring over the ancient maps by candlelight, looking for a forgotten route.

The research team noted that the mislabeled porinflammatory marker could lead to confusion in clinical reports.

She sat by the window, poring over the old maps until the light faded.

Her poring over the old maps revealed a previously unknown trade route.