Pseud‐hæ″mal (?), a. [Pseudo- + hæmal.] (Zoöl.) Pertaining to the vascular system of annelids.
Pseudhæmal fluid, the circulatory fluid, or blood, of annelids, analogous to the blood of vertebrates. It is often red, but is sometimes green or colorless. — Pseudhæmal vessels, the blood vessels of annelids.