Dictionary of ichthyology. 2009.
hemal rib — haemal rib … Dictionary of ichthyology
Haemal arch — A haemal arch is a bony arch on the underside of a tail vertebra of a vertebrate. It may represent the ribs of that tail vertebra.The hole so formed is the haemal canal.It sometimes has a haemal spine on.The blood vessels to and from the tail run … Wikipedia
rib — one of a series of long, thin bony rods articulating with the apophyses of the vertebrae and supporting the trunk musculature. The ventral ends are free. They consist of two types: the dorsal, epipleural or true ribs which arise from the… … Dictionary of ichthyology
caudal vertebra — one of the posterior vertebrae lacking ribs, found behind the abdominal vertebrae and extending to the tail, each with a ventral haemal arch, canal and spine. The first caudal vertebrae is near the internal, dorsal tip of the first anal proximal… … Dictionary of ichthyology
