Immediately following disc excision, the specimens were diided into 4 pieces, and cultured in arious aerobic and anaerobic culture mediums that were incubated for 2 weeks.

• 这些椎间盘刚取出来，就被分成4部分，并且放入不同的有氧或无氧的培养基中，它们会在里面培养2周。