PROBLEM TO BE SOLVED: To provide an absorber having excellent absorption performance, and an absorbent article.SOLUTION: An absorber of the present invention, which is an absorber having at least two or more layers, includes a water absorption layer which comprises a water absorption region with arranged water absorptive resin powder and an opening region penetrating in a thickness direction, and a layer which serves as a lower layer of the water absorption layer and in which a diffusion region with an arranged diffusibility enhancing material with an under-load water passage speed of 15 seconds or less is at least partially formed. In the lower layer, the diffusion region is provided in at least a part of a part positioned under the opening region.COPYRIGHT: (C)2014,JPO&INPIT【課題】優れた吸収性能を有する吸収体および吸収性物品を提供する。【解決手段】本発明の吸収体は、少なくとも二以上の層を有する吸収体であって、吸水性樹脂粉末が配置された吸水領域と、厚み方向に貫通する開口領域とを備える吸水層と、前記吸水層の下層として、荷重下通液速度が15秒以下である拡散性向上材が配置された拡散領域が、少なくとも一部に形成されている層を有し、前記下層には、前記開口領域の下に位置する部分の少なくとも一部に、前記拡散領域が設けられていることを特徴とする。【選択図】図1
