what is primary cell culture
5.1 Primary Cultures. Primary cultures are derived directly from excised, normal animal tissue and cultures either as an explant culture or following dissociation into a single cell suspension by enzyme digestion.Such cultures are initially heterogeneous but later become dominated by fi broblasts..1 Primary Cultures. Primary cultures are derived directly from excised, normal animal tissue and cultures either as an explant culture or following dissociation into a single cell suspension by enzyme digestion. Such cultures are initially heterogeneous but later become dominated by fi broblasts.