… development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells. …
Explanatory notes
… development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells. … usually prepared from meat extracts, fresh blood or blood serum, eggs, potatoes, alginates, agar‑agar, peptones, … tablets or granule form, and are sterilised and put up in sealed glass bottles, tubes, ampoules or tins. The heading …