| aggregate a. |
an anaphylactic reaction initiated by the formation of large amounts of antigen-antibody complexes upon injection of the antigen. The complexes activate complement, producing anaphylatoxins (C3a and C5a) that trigger the release of mediators of immediate hypersensitivity from basophils and mast cells.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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|---|---|
| aggregate g.’s |
aggregated lymphoid nodules; see terms beginning noduli lymphoidei aggregati, under nodulus.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| aggregate n.’s |
noduli lymphoidei aggregati intestini tenuis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| aggregated a. |
heat-denatured albumin human; labeled radioactively (technetium 99m), its uses include lung imaging, radionuclide venography, and assessment of peritoneovenous shunt patency. Called also macroaggregated a. (MAA). See table at technetium.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| aggregated f.’s |
aggregated lymphoid nodules; see terms beginning noduli lymphoidei aggregati, under nodulus.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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