hem-, haem-, hemo-, haemo, hema-, haema-, hemato-, haemato-, hemat-, haemat-, -hemia, -haemia, -hemic, -haemic

(Greek: blood)

Positive chemotaxis.
Directed movement or orientation of a motile organism towards the source of a chemical stimulus.
verdohemoglobin (s) (noun), verdohemoglobins (pl)
A protein which is formed from the breakdown of hemoglobin (a protein that carries oxygen in the blood): Verdohemoglobin is a precursor to the bile pigment biliverdin (a green pigment found in bile which is formed during haem catabolism).

Inter-related cross references, directly or indirectly, involving "blood" word units: angi-; apheresis; -emia; hemoglobin-; phleb-; sangui-; vas-; vascul-.