Planteome: Term Details for "megagametophyte" (PO:0025279)

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Term Information

Accession: PO:0025279
Name: megagametophyte
Ontology: plant_anatomy
Synonyms: female gametophyte (exact), megagametofito (Spanish, exact), 大配偶体 (Japanese, exact)
Alternate IDs: None
Definition: A whole plant in the gametophyte development stage (PO:0028003) that produces only plant egg cells (PO:0020094). Source: POC:curators
Comment: Megagametophytes in bryophytes only produce egg cells, but do not develop from megaspores, because there is no heterospory in bryophytes. In some pteridophytes, megagametophytes develop from megaspores. In angiosperms, Gnetum, and Weltwischia, the megagametophyte is greatly reduced. The megagametophyte in angiosperms is an embryo sac.
Subset: None
Related: Link to all annotated objects annotated to megagametophyte.; Link to all direct and indirect annotations to megagametophyte.; Link to all direct and indirect annotations download (limited to first 10,000) for megagametophyte.
Feedback: Comments, changes to terms, or requests for new ontology terms can be made at PO issue tracker on GitHub.

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BFO:0000002 continuant
BFO:0000001 entity
BFO:0000004 independent continuant
BFO:0000040 material entity
PO:0025131 plant anatomical entity
PO:0009011 plant structure
PO:0000003 whole plant
PO:0025279 megagametophyte
PO:0025282 archegonium megagametophyte
PO:0025074 embryo sac

Parents of megagametophyte (PO:0025279)

subject	relation	object
megagametophyte	is_a	whole plant (PO:0000003)

Children of megagametophyte (PO:0025279)

subject	relation	object
embryo sac (PO:0025074)	is_a	megagametophyte
archegonium megagametophyte (PO:0025282)	is_a	megagametophyte

PO_GIT: 318