Meanings of tiny compartments in English

Federn finally turned the key on one of those tiny compartments.

He handed her a green-flowered box containing twelve tiny compartments; in each was a phial.

Rushing down the row, I scan the tiny compartments, watching the numbers build in size.

They looked like tiny compartments.

This is all about mitochondria - they are the tiny compartments inside nearly every cell of the body that convert food into useable energy.

Even on the relatively cramped ISS, there are places to be alone, from the tiny compartments astronauts get to call their own to unoccupied modules.