It comes from the Greek word στόμα (stoma), meaning "mouth". The plural form, στόματα (stomata), is used in biology to refer to the tiny pores on the surface of leaves and stems of plants that allow for gas exchange.
It comes from the Greek word στόμα (stoma), meaning "mouth". The plural form, στόματα (stomata), is used in biology to refer to the tiny pores on the surface of leaves and stems of plants that allow for gas exchange.