hemal

https://doi.org/10.1351/goldbook.10787
  1. Pertaining to blood or blood vessels.
  2. Situated, in common with the heart and major blood vessels, on the ventral side of the body with respect to the vertebral column or its embryonic precursors.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 762 (https://doi.org/10.1515/pac-2015-1202)