Planteome: Term Details for "thallus" (PO:0030027)

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Term Information

Accession: PO:0030027
Name: thallus
Ontology: plant_anatomy
Synonyms: talo (Spanish, exact), thalli (exact, plural), 葉状体 (Japanese, exact), prothallium (broad)
Alternate IDs: None
Definition: A whole plant in the gametophytic phase that has a flat growth form and no distinct organs. Source: PO_REF:00001
Comment: A thallus is a gametophyte of liverworts and pteridophytes and develops from a short-lived protonema. Roughly two dimensional growth results from division of a single apical cell. Thalli may be ribbon or heart shaped or almost filamentous. Although there are no distinct organs, there may be tissue differentiation and dichotomous branching.
Subset: Pteridophytes; Bryophytes
Related: Link to all annotated objects annotated to thallus.; Link to all direct and indirect annotations to thallus.; Link to all direct and indirect annotations download (limited to first 10,000) for thallus.
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PO:0025131 plant anatomical entity
BFO:0000002 continuant
BFO:0000001 entity
PO:0009011 plant structure
PO:0000003 whole plant
PO:0030027 thallus
PO:0030025 thallus meristematic apical cell

Parents of thallus (PO:0030027)

subject	relation	object
thallus	is_a	whole plant (PO:0000003)
thallus	is_a	continuant (BFO:0000002)
thallus	RO:0000056	gametophyte development stage (PO:0028003)

Children of thallus (PO:0030027)

subject	relation	object
thallus meristematic apical cell (PO:0030025)	BFO:0000050	thallus

PO_GIT: 317