Plant Ontology (PO)
OWL
Last submission date April 18, 2024
ID http://purl.obolibrary.org/obo/PO_0030090
http://purl.obolibrary.org/obo/PO_0030090
https://agroportal.lirmm.fr/ontologies/PO/PO_0030090
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Preferred name

root periderm scar

Definitions
A portion of root periderm (PO:0005047) formed in response to a disruption of the root epidermis (PO:0006036).
Root periderm scars are lenticel-like structures on the tuberous roots (PO:0025523), primary roots (PO:0020127), and/or tuberous root tubers (PO:0025476) of plants such as sweet potato, cassava, parsnips, and carrots. Disruption of the epidermis by the emergence of a lateral root initiates a wound response which results in the production of a root periderm scar. Gas exchange does not occur through a root periderm scar.
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