portion of plant tissue hydrome plant_anatomy A portion of plant tissue (PO:0009007) that has as parts hydroid (PO:0025032) cells and cells of no other types. A hydrome is composed of only hydroids. Found in bryophytes, in the center of a non-vascular shoot axis (PO:0025029) such as a gametophore (PO:0030018) or seta (PO:0030032). Often surrounded by the leptome (PO:0030048). May function in water conduction and may provide support. 導水組織 (Japanese, exact) hydrom (exact) 2011-04-18T09:34:43Z leptoxylem (exact) rwalls PO_GIT:349 hidromo (Spanish, exact) PO:0030047