'Pseudhaemal vessels' definitions:
Definition of 'Pseudhaemal vessels'
From: GCIDE
- Pseudhaemal \Pseud*h[ae]"mal\, a. [Pseudo- + h[ae]mal.] (Zool.) Pertaining to the vascular system of annelids. [1913 Webster]
- Pseudh[ae]mal fluid, the circulatory fluid, or blood, of annelids, analogous to the blood of vertebrates. It is often red, but is sometimes green or colorless.
- Pseudh[ae]mal vessels, the blood vessels of annelids. [1913 Webster]