STOMA (stomata)

Pronunciation (US):

(GB):

Irregular inflected form: stomata   

 Dictionary entry overview: What does stoma mean? 

• STOMA (noun)
  The noun STOMA has 2 senses:

1. a minute epidermal pore in a leaf or stem through which gases and water vapor can pass

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)

  Familiarity information: STOMA used as a noun is rare.

 Dictionary entry details 

• STOMA (noun)

Sense 1

Meaning:

A minute epidermal pore in a leaf or stem through which gases and water vapor can pass

Classified under:

Nouns denoting plants

Synonyms:

pore; stoma; stomate

Hypernyms ("stoma" is a kind of...):

aperture (a natural opening in something)

Hyponyms (each of the following is a kind of "stoma"):

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)

Derivation:

astomatal (lacking a stoma or stomata)

stomatal; stomatous (relating to or constituting plant stomata)

Sense 2

Meaning:

A mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)

Classified under:

Nouns denoting body parts

Hypernyms ("stoma" is a kind of...):

opening; orifice; porta (an aperture or hole that opens into a bodily cavity)

Domain category:

surgery (the branch of medical science that treats disease or injury by operative procedures)

Holonyms ("stoma" is a part of...):

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)

Derivation:

stomatal (relating to or of the nature of or having a mouth or mouthlike opening)

stomatous (having a mouth or mouthlike opening)

stomatous (relating to or of the nature of or having a mouth or mouthlike opening)

 Context examples 

Leakage of contents from the intestinal stoma.

(Intestinal Stoma Leakage, NCI Thesaurus)

Narrowing of the lumen of a gastrointestinal stoma.

(Gastrointestinal Stoma Stenosis, NCI Thesaurus)

A finding of leakage of contents from an intestinal stoma (surgically created opening on the surface of the body).

(Intestinal Stoma Leakage, NCI Thesaurus/CTCAE)

A blockage of the intestinal stoma.

(Intestinal Stoma Obstruction, NCI Thesaurus)

A finding of blood leakage from the intestinal stoma.

(Intestinal Stoma Site Hemorrhage, NCI Thesaurus)

A finding of blockage of the normal flow of the contents of the intestinal stoma.

(Intestinal Stoma Obstruction, NCI Thesaurus/CTCAE)

A finding of a necrotic process occurring in the gastrointestinal tract stoma.

(Gastrointestinal Stoma Necrotic Lesion, NCI Thesaurus/CTCAE)

A finding of narrowing of the gastrointestinal stoma (surgically created opening on the surface of the body).

(Gastrointestinal Stoma Stenosis, NCI Thesaurus/CTCAE)

This causes the colon to empty and pass stool through the stoma into a bag.

(Colostomy irrigation, NCI Dictionary)

Stomata are the pores that let in carbon dioxide, allowing a tree to carry out photosynthesis.

(What's killing trees during droughts?, National Science Foundation)