periclinal chimera 1 topic · 1 source Science› Biotechnology and GeneticsFood Biotechnology1. Genotypically or cytoplasmically different tissues arranged in concentric layers. 2. A chimera in which one or more layers of tissue derived from one graft member enclose the central tissue derived from the other member of the graft.UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture Cite