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hydathode

Term Information

Accession
PO:0005660
Name
hydathode
Ontology
plant_anatomy
Synonyms
hidatodo (Spanish, exact), 排水組織 (Japanese, exact)
Alternate IDs
None
Definition
A cardinal organ part that releases water through a hydathode pore. Source: ISBN:0471244554
Comment
Hydathodes may have one or more pores that are similar to stomata but lack the ability to open and close. Hydathodes are involved in the release of water or xylem sap through pores via guttation or secretion. Generally, hydathodes are located at the end of a minor vein in a phyllome. In many plants, hydathodes includes a portion of thin-walled parenchyma between the tracheary elements and the pore, known as an epithem. In some plants, hydathodes are associated with secretory tissue.
Subset
None
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Graph of PO:0005660

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Parents of hydathode (PO:0005660)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
hydathode [is_a relation] is_a  cardinal organ part (PO:0025001)
Children of hydathode (PO:0005660)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
hydathode pore (PO:0025322) [BFO:0000050 relation] BFO:0000050  hydathode
epithem cell (PO:0000066) [BFO:0000050 relation] BFO:0000050  hydathode
PO_GIT
326