exsanguious

Destitute of blood; bloodless.

exsanguious liver

The third is the paucitie of blood obſerved in this animal, ſcarce at all to be found but in the eye, and about the heart; which defect being obſerved, inclined ſome into thoughts, that the ayre was a ſufficient maintenance for theſe exauguious^([sic – meaning exanguious]) parts.

Without red blood.

Insects are exsanguious.