Click here to close Hello! We notice that you are using Internet Explorer, which is not supported by Xenbase and may cause the site to display incorrectly. We suggest using a current version of Chrome, FireFox, or Safari.

Summary Anatomy Item Literature (18) Expression Attributions Wiki

Anatomy Term: choroid fissure
XAO ID: 0000474
Synonyms: ventral choroidal fissure, optic fissure
Definition: "Part of the eye that forms during the transition from optic vesicle to optic cup as a groove at the lateroventral edge of the optic vesicle, which expands medially. The ventral edges of the optic vesicle then wrap around the fissure and fuse with one another, ultimately leading to a channel through which blood vessels and optic nerve fibres pass."
Stage Range: NF stage 29 and 30 to NF stage 44
Marker Genes: aldh1a1
Develops From:
Anatomy Item Stage Range
optic vesicle NF stage 18 to NF stage 32
Develops Into:
Parent(s): optic vesicle


Parent(s): embryonic structure (is_a) eye (part_of)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY