STOMA - 6 definitions found
stoma n 1: a minute epidermal pore in a leaf or stem through which gases and water vapor can pass [syn: stoma, stomate, pore] 2: a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ) stoma motas Oxford English Reference Dictionary
English Explanatory Dictionary stoma n. (pl. stomas or stomata) 1 Bot. a minute pore in the epidermis of a leaf. 2 a Zool. a small mouthlike opening in some lower animals. b Surgery a similar artificial orifice made in the stomach. øøstomal adj. [mod.L f. Gk stoma -atos mouth] Webster's Revised Unabridged Dictionary (1913) Stoma \Sto"ma\, n.; pl. Stomata. [NL., fr. Gr. ?, ?, a mouth.] 1. (Anat.) One of the minute apertures between the cells in many serous membranes. 2. (Bot.) (a) The minute breathing pores of leaves or other organs opening into the intercellular spaces, and usually bordered by two contractile cells. (b) The line of dehiscence of the sporangium of a fern. It is usually marked by two transversely elongated cells. See Illust. of Sporangium. 3. (Zo["o]l.) A stigma. See Stigma, n., 6 (a) & (b) . Soule\'s Dictionary of English Synonyms stoma n. [ |
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