noun
- Plural of pseudocoelom; body cavities in certain invertebrate animals that are not completely lined with mesoderm, lying between the intestine and body wall.
Usage: biology; zoology; technical
Examples
- Nematodes possess pseudocoeloms rather than true coeloms.
- The pseudocoeloms in roundworms serve as a hydrostatic skeleton.
- Unlike coelomate animals, organisms with pseudocoeloms have a simpler body cavity structure.
- Pseudocoeloms are found in phyla such as Nematoda and Rotifera.
- The presence of pseudocoeloms distinguishes these organisms from both acoelomate and coelomate animals.