In botany, a stoma (plural "stomata"), cried a stomate (plural "stomates")[1] (frae Greek στόμα, "mooth"[2]) an aw, is a pore, foond in the epidermis o leafs, stems, an ither organs, that facilitates gas exchynge.

Stoma in a tomata leaf shawn via colourised scannin electron microscope image


  1. "Living Environment—Regents High school examination" (PDF). January 2011 Regents. NYSED. Retrieved 15 Juin 2013.
  2. στόμα, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus