Haemal arch
Encyclopedia
A haemal arch is a bony arch on the underside of a tail vertebra of a vertebrate
.
The hole so formed is the haemal canal.
It sometimes has a haemal spine on.
The blood vessels to and from the tail run through the arch.
Vertebrate
Vertebrates are animals that are members of the subphylum Vertebrata . Vertebrates are the largest group of chordates, with currently about 58,000 species described. Vertebrates include the jawless fishes, bony fishes, sharks and rays, amphibians, reptiles, mammals, and birds...
.
The hole so formed is the haemal canal.
It sometimes has a haemal spine on.
The blood vessels to and from the tail run through the arch.