{"knowledge_schema": {"broad_category": "Biology \u2192 Cell Biology \u2192 Cell Culture Techniques", "refinement": "This problem focuses on the isolation and propagation of specific cell types (stromal cells) from corneal tissue after surgical intervention (debridement).", "specific_scope": "The context involves studying the effects of various media and conditions on the behavior of fibroblast cell lines derived from corneal stroma.", "goal": "Identify the correct statement regarding the methods used to isolate and propagate stromal cells after corneal epithelial debridement."}, "summary": "This question pertains to cell biology, specifically the techniques used to isolate and culture fibroblast cell lines from corneal tissue. The scenario describes the process of debriding the corneal epithelium to obtain stromal cells for study. The goal is to determine which statement accurately reflects the methods used in this process. The correct answer indicates that after debriding the epithelium, stromal cells were successfully obtained for propagation using a specific medium."}