stoma(redirected from stomas)
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n. pl. sto·ma·ta (-mə-tə) or sto·mas
1. Botany One of the minute pores in the epidermis of a leaf or stem through which gases and water vapor pass. Also called stomate.
2. Anatomy A small aperture in the surface of a membrane.
3. A surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy.
4. Zoology A mouthlike opening, such as the oral cavity of a nematode.
[New Latin, from Greek, mouth.]
sto′mal, sto′ma·tal adj.
n, pl stomata (ˈstəʊmətə; ˈstɒm-; stəʊˈmɑːtə)
1. (Botany) botany an epidermal pore, present in large numbers in plant leaves, that controls the passage of gases into and out of a plant
2. (Zoology) zoology anatomy a mouth or mouthlike part
3. (Anatomy) zoology anatomy a mouth or mouthlike part
[C17: via New Latin from Greek: mouth]
n., pl. sto•ma•ta (ˈstoʊ mə tə, ˈstɒm ə-, stoʊˈmɑ tə) sto•mas.
1. a minute opening in leaves, stems, etc., through which gases are exchanged.
2. a primitive mouth or simple ingestive organ of an invertebrate animal.
3. a surgical opening in an organ constructed to permit passage of fluids or waste products to another organ or to the outside of the body.
[1675–85; < New Latin < Greek stóma mouth]
Plural stomata (stō′mə-tə)
1. Botany One of the tiny openings in the outer surface of a plant leaf or stem, through which gases and water vapor pass. Most stomata are on the underside of leaves.
2. Zoology A mouth-like opening, such as the oral cavity of a nematode.
An artificial opening (as in an abdomen) made during surgery.
Switch to new thesaurus
|Noun||1.||stoma - a minute epidermal pore in a leaf or stem through which gases and water vapor can pass|
aperture - a natural opening in something
germ pore - a pore in the outer wall of a spore or pollen grain through which the germ tube or pollen tube makes its exit on germination
hydathode, water pore, water stoma - a pore that exudes water on the surface or margin of a leaf of higher plants
lenticel - one of many raised pores on the stems of woody plants that allow the interchange of gas between the atmosphere and the interior tissue
|2.||stoma - a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)|
colostomy - a surgical operation that creates an opening from the colon to the surface of the body to function as an anus
tracheostomy, tracheotomy - a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes
orifice, porta, opening - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
surgery - the branch of medical science that treats disease or injury by operative procedures; "he is professor of surgery at the Harvard Medical School"
n pl <-ta> (Bot) → Stoma nt (spec)
stoma[ˈstəʊmə] n → stoma m
n. estoma, abertura hecha por cirugía, esp. en la pared del abdomen.