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plant embryo globular stage
Term Information
Accession
PO:0001185
Name
plant embryo globular stage
Ontology
plant_structure_development_stage
Synonyms
dermatogen stage in Arabidopsis (related), embryo stage EM3 (related), embryo stage EM4 (related), globular stage in Arabidopsis (related), late globular stage in Arabidopsis (related), mid-globular stage in Arabidopsis (related)
Alternate IDs
None
Definition
A plant embryo development stage (PO:0007631) that occurs during the interval between when a plant embryo proper (PO:0000001) increases in diameter through cell division, but retains radial symmetry (with the concomitant formation of a protoderm (PO:0006210)), and the onset of a plant embryo bilateral stage (PO:0004507).
Source:
POC:Laurel_Cooper,
POC:curators,
TAIR_curator:Katica_Ilic
Comment
During the plant embryo globular stage, differentiation of the three main tissue systems (vascular system (PO:0000034); epidermis (PO:0005679); and the portion of ground tissue (PO:0025059)) occurs.
Subset
Poaceae
Maize
Arabidopsis
Rice
Angiosperm
Related
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