Haemal arch

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.

References

This article is issued from Wikipedia - version of the Monday, May 11, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.