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LYMPHOCYTE K [1 record]

Record 1 2013-12-12

English

Subject field(s)
  • Lymphatic System
  • Cytology
  • Immunology
DEF

[A] cytotoxic cell involved in antibody-dependent cell-mediated immune responses[, that uses Fc] receptors [to recognize] IgG [immunoglobulin G] molecules [to] lyse or damage IgG-coated target cells without mediation of complement.

OBS

Kinds of null cells are killer cells and natural killer cells.

French

Domaine(s)
  • Système lymphatique
  • Cytologie
  • Immunologie
CONT

La cellule K [...] se lie [aux anticorps] par l'intermédiaire de récepteurs Fc (ou récepteurs pour le fragment Fc des IgG [immunoglobulines G]). [Son] action destructrice est directe et ne nécessite pas l'intervention du complément.

Spanish

Campo(s) temático(s)
  • Sistema linfático
  • Citología
  • Inmunología
DEF

Linfocito que se desarrolla en la médula ósea representando una pequeña porción de la población de linfocitos y carece de los marcadores de superficie de los linfocitos B y T. Estimulada por la presencia de un antígeno, la célula nula ataca directamente, sin que tenga que mediar otro mecanismo, por lo que se les llama asesinas naturales.

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