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Seed growth (GO:0080112) is_a organ growth (GO:0035265), but seed is not an organ in the PO. In PO, seed (PO:0009010) is_a multi-tissue plant structure (PO:0025496). Seeds are not traditionally consi…
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pollen tube ([PO:0006345](http://purl.obolibrary.org/obo/PO_0006345)) currently has no is_a parent
Current definition: A tubular cell extension formed by the germinating pollen grain; carries the mal…
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Moss Ontology has requested the term '''apical cell'''. Apical growth in byrophytes and some non-seed vascular plants is via division of a single cell at the tip of the shoot apical meristem (or root …
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The existing term 'adventitious embryo' is a child of plant embryo.
Current def'n: Embryo derived directly from nucellus cells without involving embryo sac cells.
At the POC meeting 4-26-11, we di…
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This sourceforge item is for the discussion of dicot
flower development terms only. It follows on from [
729414 ] Plant development terms, page 2
https://sourceforge.net/tracker/index.php?func=detail&…
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Suggest the addition of three new terms:
reaction wood ([PO:0025472](http://purl.obolibrary.org/obo/PO_0025472)): A portion of secondary xylem ([PO:0005848](http://purl.obolibrary.org/obo/PO_0005848)…
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Moss Ontology definition of axillary hair: A small filament in an axil consisting of one long terminal cell atop a basal stalk (also called club-hair). Bill and Nancy Malcolm (2006): Mosses and other …
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Can you please add the following subcellular components to GO?
sieve area: A cell wall part that is a pit-like area in a plant-type cell wall of a sieve element and has as parts pores lined with call…
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Hello,
I would be grateful if you would consider adding the following term to capture a process described in a recently published paper.
Name: nectar secretion
type: biological process
Def: The cont…
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Flower (PO: 0009046) current defintions: A heterosporangiate strobilus, typically consisting of androecium, gynoecium, usually surrounded by a perianth and borne on an axis or receptacle.
One of the …