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Summary Anatomy Item Literature (236) Expression Attributions Wiki

Anatomy Term: proctodeum
XAO ID: 0001019
Synonyms: anus, proctodaeum, vent, anus porus
Definition: "Inward fold on the surface of the embryonic ectoderm that develops into the common cloacal passage. The most posterior section of the larval alimentary system."
Stage Range: NF stage 19 to NF stage 40
Marker Genes: foxi1 hoxa13
Develops From:
Anatomy Item Stage Range
blastopore NF stage 10 to NF stage 18
circumblastoporal collar NF stage 12 to NF stage 20
ectoderm NF stage 10 to NF stage 66
non-neural ectoderm NF stage 10 to NF stage 28
Develops Into:
Anatomy Item Stage Range
cloacal sphincter NF stage 40 to death
Parent(s): blastopore, circumblastoporal collar, ectoderm, non-neural ectoderm


Parent(s): surface structure (is_a) alimentary system (part_of) larval alimentary system (part_of)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY