nonimmune serum (medicine) and bed (as used in expressions) (sh)

nonimmune serum (medicine)

nonimmune serum
<immunology> A serum from a subject that is not immune; a serum that is free of antibodies to a given antigen.

bed (as used in expressions) (sh)

Agate Fossil Beds National Monument

John Day Fossil Beds National Monument

Lava Beds National Monument

bedding plant

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