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Summary Anatomy Item Literature (45) Expression Attributions Wiki

Anatomy Term: apical ectodermal ridge
XAO ID: 0004121
Synonyms: epidermal ridge, AER, apical epidermal ridge
Definition: "A thickened layer of ectodermal cells at the distal tip of a developing limb bud. Along with the zone of polarizing activity, it is a crucial organizing region during limb development."
Stage Range: NF stage 46 to NF stage 56
Marker Genes: fgf8
Develops From:
Develops Into:

Parent(s): proliferative region (is_a) limb bud (part_of)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY