has_part has part has part in vitro plant structure cultured plant cell cultured plant callus A plant callus (PO:0005052) grown or maintained in vitro. Cultured plant callus may induced to form from plant protoplasts or cultured plant cells in suspension culture. After supplementation with the appropriate plant growth regulators, further differentiation may lead to the development of plant tissues, plant organs and ultimately, a whole plant. PO:0000009 PO_GIT:323 callo cultivado (Spanish, exact) cultured callus (broad) plant_anatomy 培養植物カルス (Japanese, exact) plant callus