portion of plant tissue central strand 2011-04-25T01:04:07Z A portion of plant tissue (PO:0009007) that is an axial strand in the center of a gametophore axis (PO:0030020) or seta (PO:0030032) and has as part a hydrome (PO:0030047) or a leptome (PO:0030048). PO:0030051 hebra (hilo) central (Spanish, exact) rwalls conducting cylinder (exact) plant_anatomy PO_GIT:351 中心束 (Japanese, exact) conducting strand (exact) Often contains both hydrome and leptome. Found in bryophytes. The term central strand is sometimes used to describe a protostele in vascular plants, but this ontology class should only be used for non-vascular plants. Analogous to a vein or vascular bundle in vascular plants.