| / English Dictionary |
STOMA
| Pronunciation (US): |  | (GB): | |
Irregular inflected form: stomata
I. (noun)
Sense 1
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:
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)
Sense 2
Meaning:
A minute epidermal pore in a leaf or stem through which gases and water vapor can pass
Synonyms:
Classified under:
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)
Context examples:
A finding of protrusion of the intestinal stoma (surgically created opening on the surface of the body) above the abdominal surface.
(Intestinal Stoma Prolapse, NCI Thesaurus/CTCAE)
An operation to create an opening (a stoma) from an area inside the body to the outside.
(Ostomy, NCI Dictionary)
An ostomy is surgery to create an opening (stoma) from an area inside the body to the outside.
(Ostomy, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)
An intestinal stoma complication characterized by protrusion of the stoma above the abdominal surface.
(Intestinal Stoma Prolapse, NCI Thesaurus)
Calcium plays a unique role in plant cells by regulating the minute pores, called stomata, in leaves or stems.
(Previously unknown mechanism causes increased forest water use, National Science Foundation)
A necrotic process affecting the post-operative stoma area in the gastrointestinal tract.
(Gastrointestinal Stoma Necrotic Lesion, NCI Thesaurus)
Surgical creation of an opening (stoma) for drainage of the urinary bladder.
(Cystostomy, NLM, Medical Subject Headings)
A liposarcoma characterized by the presence of round non-lipogenic mesenchymal cells and small signet ring lipoblasts within a myxoid stoma with a vascular-branching pattern, or the presence of solid sheets of primitive round cells without myxoid stroma.
(Myxoid/Round Cell Liposarcoma, NCI Thesaurus)
Administration into a stoma.
(Administration via Stoma, NCI Thesaurus)
Urostomy - the tubes that carry urine to the bladder are attached to the stoma. This bypasses the bladder.
(Ostomy, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)
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