From Wikipedia, the free encyclopedia
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.
- S. N. Prasad; Vasantika Kashyap (1 January 1989). A Textbook of Vertebrate Zoology. New Age International. p. 97. ISBN 978-0-85226-928-2.
|This animal anatomy–related article is a stub. You can help Wikipedia by expanding it.|