Answer: stomates

AnswerCrossword Clue
stomatesany of various small apertures, esp. one of the minute orifices or slits in the epidermis of leaves, stems, etc., through which gases are exchanged
stomatesSTOMATE, a minute opening in the epidermis of a plant organ, also STOMA
stomatesmouth or ingestive opening, esp. when in the form of a small or simple aperture
stomatesartificial opening between two hollow organs or between one hollow organ and the outside of the body, constructed to permit the passage of body fluids or waste products