{"senses": [{"topics": ["biochemistry", "biology", "chemistry", "immunology", "medicine", "microbiology", "natural-sciences", "physical-sciences", "sciences"], "categories": ["English countable nouns", "English entries with incorrect language header", "English lemmas", "English multiword terms", "English nouns", "Pages with 1 entry", "Pages with entries", "en:Biochemistry", "en:Immunology", "en:Molecular biology"], "links": [["immunology", "immunology"], ["biochemistry", "biochemistry"], ["molecular biology", "molecular biology"], ["heavy chain", "heavy chain"], ["B cell", "B cell"], ["isotype", "isotype"], ["antigen", "antigen"]], "raw_glosses": ["(immunology, biochemistry, molecular biology) The change in the immunoglobulin heavy chain constant region in a B cell, producing a different antibody isotype while preserving antigen specificity."], "qualifier": "molecular biology", "glosses": ["The change in the immunoglobulin heavy chain constant region in a B cell, producing a different antibody isotype while preserving antigen specificity."]}], "pos": "noun", "head_templates": [{"name": "en-noun", "args": {}, "expansion": "class switch (plural class switches)"}], "forms": [{"form": "class switches", "tags": ["plural"]}], "word": "class switch", "lang": "English", "lang_code": "en"}