PROBLEM TO BE SOLVED: To provide a medical material that can induce the regeneration of a damaged part of nerve.SOLUTION: Provided is a non-tubular nerve regeneration inducing material used for the regeneration of a damaged part of nerve, comprising (A) a crosslinked material in which a bioabsorbable polysaccharide having a carboxyl group within a molecule of low endotoxin is covalent-bond-crosslinked with at least one crosslinking reagent selected from a compound represented by the following general formula (I) and a salt thereof, and (B) a bioabsorbable polymer. RHN-(CH)-NHR(I) [in which Rand Rare each independently a hydrogen atom or a group represented by formula: -COCH(NH)-(CH)-NH, and n represents an integer of 2 to 18.].SELECTED DRAWING: None【課題】神経の損傷部の再生を誘導しうる医療用材料の提供。【解決手段】(A)低エンドトキシンの分子内にカルボキシル基を有する生体内吸収性多糖類が、下記の一般式(I)で表される化合物およびその塩から選択される少なくとも1種の架橋性試薬で共有結合架橋された架橋体、並びに(B)生体内吸収性高分子を含む、神経の損傷部の再生のために用いられる非管状の神経再生誘導用材料。R1HN-(CH2)n-NHR2(I)[式中、R1およびR2はそれぞれ独立して水素原子または式:-COCH(NH2)-(CH2)4-NH2で表される基を示し、nは2~18の整数を示す。]【選択図】なし