Definición de stoma en inglés:

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Pronunciación: /ˈstōmə/

sustantivo (plural stomas or stomata /-mətə/ /ˌstōˈmätə/)

1Any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width that allows movement of gases in and out of the intercellular spaces. Also called stomate.
Oraciones de ejemplo
  • Leaf stomata control plant CO 2 absorption through photosynthesis and water loss through transpiration.
  • The outer layer of the abaxial epidermis contains sunken stomata with strongly fluorescing chloroplasts in the guard cells.
  • However, the presence of both adaxial and abaxial stomata on leaves of T. pusillum var. texanum did differentiate it from other taxa in this species complex.
1.1 Zoology A small mouthlike opening in some lower animals.
Oraciones de ejemplo
  • Note the characteristic long and straight stoma of Rhabditidae, the well-developed teeth at the base of a short stoma of Diplogastridae, the well-sclerotized stoma lining in Panagrolaimidae and the stoma lining divided in several elements of Cephalobidae.
1.2 Medicine An artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea.
Oraciones de ejemplo
  • A single lesion involving a tracheotomy stoma was treated with the direct application of the probe without using the bronchoscope.
  • One may speculate that the differences in rates of bleeding and infection can be explained by differences in the tracheostomy stoma following these two techniques.
  • An ileostomy with two openings includes an open stoma for effluent and another stoma for a mucous fistula.



( Medicine )
Oraciones de ejemplo
  • There was 1 case of tracheo-oesophageal fistulae, 3 cases of postoperative dysphagia and 11 cases of stomal stenosis.
  • The aperture of the skin barrier should lie within 1/8-inch of the base of the stoma, close enough to protect the peristomal skin yet large enough to prevent trauma to the stomal mucosa.
  • Decannulation of these patients was done by either, fenestrating the tube and corking the stomal end of the tube to test for patency of the airway, direct one-time removal of the tube, or by sequential use of tube of decreasing size.


Late 17th century: modern Latin, from Greek stoma 'mouth'.

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División en sílabas: sto·ma

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