Term Name:	gill opening
Synonyms:
Definition:	Anatomical space that is the external opening of a gill slit connecting the pharyngeal cavity to the exterior. Gill opening is usually paired and located on the lateral or ventral surfaces of the head.
Appears at:	Unknown
Evident until:	Adult (90d-730d, breeding adult)
Ontology:	Anatomy Ontology [ZFA:0005389]

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