plant_anatomy Term "exarch protoxylem" (PO:0025554)

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E.g., flower or TO:0000303.

E.g., d1 or waxy.

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plant_anatomy Term "exarch protoxylem" (PO:0025554)

Term Name	exarch protoxylem
Term Accession	PO:0025554
Aspect	plant_anatomy
Synonyms (0)	None.
Definition	A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) progresses centripetally, the oldest elements (protoxylem) are farthest from the center of the plant axis (PO:0025004).
Comment	None
Source Ontology Database	The ontology browser of Plant Ontology Database

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Derivation

plant structure development stage (PO:0009012) #945

[i] whole plant development stage (PO:0007033) #931

[i] sporophyte development stage (PO:0028002) #1

vascular system (PO:0000034) #102

[p] portion of vascular tissue (PO:0009015) #145

[i] xylem (PO:0005352) #50

[i] primary xylem (PO:0005849) #4

[i] protoxylem (PO:0000272) #25

[i] exarch protoxylem (PO:0025554) #0

[i] root system exarch protoxylem (PO:0025555) #0

[i] shoot system exarch protoxylem (PO:0025556) #0

plant anatomical entity (PO:0025131) #0

[i] plant structure (PO:0009011) #12660

[i] whole plant (PO:0000003) #25717

[p] vascular system (PO:0000034) #102

[p] portion of vascular tissue (PO:0009015) #145

[i] xylem (PO:0005352) #50

[i] primary xylem (PO:0005849) #4

[i] protoxylem (PO:0000272) #25

[i] exarch protoxylem (PO:0025554) #0

[i] root system exarch protoxylem (PO:0025555) #0

[i] shoot system exarch protoxylem (PO:0025556) #0

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Database Cross-References (3)

ISBN:	0471245208
POC:	cooperl
OBO_SF_PO:	3610599

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Parents (1)

protoxylem (PO:0000272)

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Children (2)

box

Associations (0)