Term Name: urostyle
Synonyms: compound centrum, last vertebra, ultimate vertebra
Definition: This centrum may be formed via the fusion of the terminal centrum and half-centrum. It is sometimes termed the 'ultimate' vertebra. Develops from the fused preural centrum 1+ ural centrum 1.
Appears at: Larval:Days 14-20 (14d-21d, 6.2mm, 10 teeth)
Evident until: Adult (90d-730d, breeding adult)
Ontology: Anatomy Ontology [ZFA:0000158]

Relationships
develops from: preural centrum 1+ ural centrum 1 ural centrum 2
is part of: caudal fin skeleton
has parts: rudimentary neural arch
is a type of: endochondral bone

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