SPHERE CULTIVATING MEMBER, CULTIVATION CONTAINER, METHOD FOR PROCESSING PERFORATED MEMBER, AND CLEANING CONTAINER

摘要

The present invention makes it possible to efficiently perform cultivation medium replacement, cleaning of spheres, and equal-interval arrangement of spheres in the creation of spheres. Provided is a member that makes it possible to capture spheres, the member having: a first surface; a second surface on the reverse side from the first surface; and a plurality of recess sections, wherein openings of respective recess sections are formed in the first surface, the openings each have a single fine hole in the second surface, the circle or the inscribed circle of each of the openings has a diameter a of 50 μm to 1 mm inclusive, the circle or the inscribed circle of each of the fine holes has a diameter b of no less than 1 μm and less than 200 μm, and the relationship ab is satisfied.