Opsonin


[op-suh-nin] /ˈɒp sə nɪn/

noun, Immunology.
1.
a constituent of normal or immune blood serum that makes invading bacteria more susceptible to the destructive action of the phagocytes.
/ˈɒpsənɪn/
noun
1.
a constituent of blood serum that renders invading bacteria more susceptible to ingestion by phagocytes in the serum

opsonin op·so·nin (ŏp’sə-nĭn)
n.
An antibody in blood serum that causes bacteria or other foreign cells to become more susceptible to the action of phagocytes.

Read Also:

  • Opsonization

    [op-suh-nahyz] /ˈɒp səˌnaɪz/ verb (used with object), opsonized, opsonizing. Immunology. 1. to increase the susceptibility of (bacteria) to ingestion by phagocytes. /ˈɒpsəˌnaɪz/ verb 1. (transitive) to subject (bacteria) to the action of opsonins opsonization op·so·ni·za·tion (ŏp’sə-nĭ-zā’shən) n. The process by which bacteria are altered by opsonins so as to become more readily and more efficiently […]

  • Opsonize

    [op-suh-nahyz] /ˈɒp səˌnaɪz/ verb (used with object), opsonized, opsonizing. Immunology. 1. to increase the susceptibility of (bacteria) to ingestion by phagocytes. /ˈɒpsəˌnaɪz/ verb 1. (transitive) to subject (bacteria) to the action of opsonins opsonize op·so·nize (ŏp’sə-nīz’) v. op·so·nized, op·so·niz·ing, op·so·niz·es To make bacteria or other cells more susceptible to the action of phagocytes.

  • Opsonocytophagic

    opsonocytophagic op·so·no·cy·to·pha·gic (ŏp’sə-nō-sī’tə-fā’jĭk, -fāj’ĭk) adj. Relating to the increased efficiency with which white blood cells devour bacteria in blood that contains opsonin.

  • Opsonometry

    opsonometry op·so·nom·e·try (ŏp’sə-nŏm’ĭ-trē) n. The measurement of the opsonic index or of the opsonocytophagic activity.

  • Opt

    [opt] /ɒpt/ verb (used without object) 1. to make a choice; choose (usually followed by for). Verb phrases 2. opt out, to decide to leave or withdraw: to opt out of the urban rat race and move to the countryside. 1. . 2. . 3. . 4. . 5. . /ɒpt/ verb 1. when intr, […]


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