Englishfor English speakers
abaxial
—
adjective
facing away from the axis of an organ or organism
the abaxial surface of a leaf is the underside or side facing away from the stem
stoma
—
noun
(= pore)
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
—
noun
a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)