- plant anatomy
- exact: conducting cylinder
- exact: conducting strand
- exact: hebra (hilo) central (Spanish)
- exact: 中心束 (Japanese)
- A portion of plant tissue that is an axial strand in the center of a gametophore axis or seta and has as part a hydrome or a leptome. [source: ISBN:0029496608, ISBN:0962073342]
- 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.
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