part_of part of part of portion of plant tissue coleorhiza epiblast A portion of plant tissue (PO:0009007) that is a flap-like projection of the coleorhiza (PO:0020034), inserted opposite the scutellum (PO:0020110). PO:0020036 PO_GIT:149 PO_GIT:258 The parenchyma cells of both the coleorhiza and epiblast may function in storage. Some researchers consider the epiblast and coleorhiza independent structures that differentiate from the same proembryonic tissue. epiblasto (Spanish, exact) plant_anatomy 外胚葉 (Japanese, exact)