Fig. 2From: Circular RNA expression profile in the spinal cord of morphine tolerated rats and screen of putative key circRNAsGene Ontology and KEGG Pathway enrichment for the host genes encoding DEcircRNAs. The left column (a, c, e and g) and right column (b, d, f and h) represented the result of up- and down-regulated circRNAs, respectively. BP: biological process, CC: cellular component, and MF: molecular functionBack to article page