stoma

stoma
[ˈstəʊmə]
(pl. stomas stomata -mətə)
  1. (Botany)any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces
    (植)气孔。 亦称stomate
    ■(Zoology)a small mouth-like opening in some lower animals
    (动)(低级动物的)口腔状小口
    ■(Medicine)an artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea
    (医)(尤指在身体表面直达内脏或气管的)人造口
派生
stomal
adjective
  1. (Medicine).)
语源
  1. late 17th cent.: modern Latin, from Greek stoma 'mouth'
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