part_of part of part of portion of plant tissue plant embryo embryo plant structure portion of embryo plant tissue 2010-12-20T12:27:10Z A portion of plant tissue (PO:0009007) that is part of a plant embryo (PO:0009009). PO:0025233 PO_GIT:338 This class is for tissues that only occur as part of an embryo. plant_anatomy portion of embryo tissue (broad) portion of embryonic plant tissue (exact) rwalls tejido embri&#243nico vegetal (Spanish, exact) 植物胚性組織 の一部 (Japanese, exact)