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stoma |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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 . From WordNet r 1.6 [wn]: stoma n 1: a minute epidermal pore in a leaf or stem [syn: {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)
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