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stoma Definition

stoma (stō)

noun pl. -·mata-mə tə or -·mas

  1. Bot. a microscopic opening in the epidermis of plants, surrounded by guard cells and serving for gaseous exchange
  2. Zool. a mouth or mouthlike opening; esp., an ingestive opening in lower invertebrates

Etymology: ModL < Gr, mouth < IE *stomen, mouth > Avestan staman-, (dog's) mouth

stoma Usage Examples

Converse of object

  • call: They breathe through tiny holes in their leaves called stomata; they also lose water through the stomata.
  • create: Part of the colon is brought out onto the abdomen to create a stoma.
  • have: For many patients having a stoma will improve their quality of life.
  • cause: What causes the stomata on a plant to open?
  • close: The guard cells open and close the stoma by changing shape.
  • form: Professional and experiential knowledge are necessary components for the care of the person with a newly formed stoma or internal pouch.

Preposition: on

  • surface: Stomatal band - a dense surface layer of stomata on the upper leaf surface ( of Juniper needles ).

Adjective modifier

  • permanent: In the author's area at lease 50 per cent may require temporary or permanent stoma.
  • temporary: In most cases, people who have a temporary stoma will return 3-6 months later to have the stoma reversed.
  • more: Also, leaves that live in areas with low levels of carbon dioxide have more stomata than those in areas with higher levels.
  • proximal: It may need to have a proximal stoma more often than a 2 layer closure.
  • conventional: Overall, 27 patients were randomized to have a conventional stoma and 27 to have a mesh.
  • small: Some plants may have many small stomata whilst others have few large ones.

Modifies a noun

  • pouch: Choosing your clothes Wearing even a modern and well designed stoma pouch can sometimes change the outline of your appearance.
  • nurse: Advice should be sought from the stoma care nurse who will invariably be only too willing to see the patient.
  • appliance: She spent the summer at Crawley based Welland Medical Limited, a company specializing in stoma appliances.
  • surgery: How you feel immediately after stoma surgery will depend on the reason for your surgery.
  • care: Advice should be sought from the stoma care nurse who will invariably be only too willing to see the patient.
  • formation: Stoma formation in colorectal cancer There are three stoma types predominantly used in patient management.

Noun used with modifier

  • tracheostomy: It is important to remember, however, that a tracheostomy stoma is a surgical would and prevention of infection is paramount.

Browse dictionary entries near stoma

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