Subcategories:
— transplant or graft (11)
— culture or medium (33)
— fixative (2)
— staining material (15)
— gel (2)
— bacilli, etc., faintly visible under microscope (1)
— freeze dried substance or material (1)
— plasmolyte (2)
— sample (8)
— individual studied for inherited trait (3)
— material used for inoculating (1)
— line or scratch (2)
— spore print (1)
— isotope (1)
— test object, etc. (4)
— part of substance floating above surface (3)
— other preparations (18)
— conditions of material (2)