Definitions:

1. Describes anything associated with blood or the circulatory system. ADJECTIVE
   • The haematal circulation in the tail of the fish is protected by the haemal arches.
2. Relates to blood or blood vessels, similar in meaning to haemal. ADJECTIVE
   • The haematal side of the vertebra is associated with the protection of blood vessels.

Synonyms:

• blood-related
• circulatory
• haemal
• hemal
• hematic
• vascular