os suspensorium

Term ID

ZFA:0001171

Synonyms

Definition

Thin, rod-shaped, anteroventrally directed membrane bone that develops as a separate outgrowth from the cartilage parapophysis of the fourth vertebra; develops ventrally to curve around the anterior head of the swim bladder. It articulates with the tripus at the tripus-swim bladder connection. Often termed a fifth Weberian ossicle. (1)

Appears at

Larval:Days 7-13 (168.0h-14d, 4.5mm, 8 teeth)

Evident until

Adult (90d-730d, breeding adult)

References

• TAO:0001171

Ontology

Anatomy Ontology