hemal arch, haemal arch(noun)
a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
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.
The numerical value of haemal arch in Chaldean Numerology is: 3
The numerical value of haemal arch in Pythagorean Numerology is: 7
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