Canadian Medical Guide > Chemicals and Drugs > Immunologic and Biological Factors Terms and Definitions

Immunologic and Biological Factors

Medical Definition:	A collective grouping for biologically active substances that play a role in the functioning of the immune system and those that show biological or physiological activity.
Guide Notes:	not used for indexing; IMMUNOLOGIC FACTORS & BIOLOGICAL FACTORS are available CATALOG: do not use

Immunologic and Biological Factors Categories.

	Biological Factors - Compounds made by living organisms that contribute to or influence a phenomenon or process. They have biological or physiological activities.
	Biological Products - Complex pharmaceutical substances, preparations, or agents of organic origin, usually obtained by biological methods or assay, that depend for their action on the processes affecting immunity. They are used especially in diagnosis and treatment of disease (as vaccines or pollen extracts). Biological products are differentiated from BIOLOGICAL FACTORS in that the latter are compounds with biological or physiological activity made by living organisms. (From Webster's 3d ed)
	Immunologic Factors - Biologically active substances whose activities affect or play a role in the functioning of the immune system.

Immunologic and Biological Factors Medical Definitions and Terms

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