01 a. Pertaining to the vascular system of annelids.
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1.
Pertaining to the vascular system of annelids.(Zool.)
Phrases & compounds
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.