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Summary Anatomy Item Literature (1563) Expression Attributions Wiki

Anatomy Term: notochord
XAO ID: 0000055
Definition: "A longitudinal flexible rod of cells that in the embryo forms the supporting axis of the body. It degenerates, beginning anteriorly, at NF stage 46. Its posterior portion is greatly reduced by NF stage 55 and the entire structure is gone by NF stage 65."
Stage Range: NF stage 12.5 to NF stage 66
Develops From:
Anatomy Item Stage Range
axial mesoderm NF stage 12.5 to NF stage 35 and 36
Develops Into:
Anatomy Item Stage Range
elastica externa NF stage 24 to NF stage 62
notochordal epithelium NF stage 31 to NF stage 62
Parent(s): axial mesoderm


Parent(s): tissue (is_a)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY