Term Information

Accession
PO:0005029
Name
root primordium
Ontology
plant_anatomy
Synonyms
portion of root primordium tissue (exact), primordio de raíz (Spanish, exact), root primordia (exact, plural), 根原基(可視的) (Japanese, exact)
Alternate IDs
None
Definition
A primordium (PO:0025127) that develops from a root anlagen (PO:0025433) and is committed to the development of a root (PO:0009005). Source: ISBN:0521288959, POC:curators
Comment
A root primordium may arise from cells of a pericycle (PO:0006203) in a root in most seed plant (pericyclic lateral root primordium; PO:0025492), from cells of an endodermis (PO:0000252) in ferns and some seed plants (non-pericyclic lateral root primordium: PO:0025493), or from cells of a shoot axis (PO:0025029), in the case of a basal root primordium (PO:0025479) or shoot-borne root primordium (PO:0025480). Transition from root primordium to root occurs with the formation of a root cap (PO:0020123), shortly after the development of a root apical meristem (PO:0020147).
Subset
None
Feedback
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Parents of root primordium (PO:0005029)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
root primordium [RO:0002202 relation] RO:0002202  root anlagen (PO:0025433)
root primordium [is_a relation] is_a  independent continuant (BFO:0000004)
root primordium [is_a relation] is_a  primordium (PO:0025127)
Children of root primordium (PO:0005029)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
root (PO:0009005) [RO:0002202 relation] RO:0002202  root primordium
lateral root primordium (PO:0000016) [is_a relation] is_a  root primordium
shoot-borne root primordium (PO:0025480) [is_a relation] is_a  root primordium
basal root primordium (PO:0025479) [is_a relation] is_a  root primordium
PO_GIT
467