1. An animal having a body cavity (pseudocoelom) that is not completely lined with mesoderm, lying between the endoderm and ectoderm.
Usage: biology; zoology

1. Of, relating to, or characteristic of an animal with a pseudocoelom.
Usage: biology; zoology

Examples

• Roundworms are pseudocoelomates with a simple body cavity.
• The pseudocoelomate condition represents an intermediate stage of body cavity evolution.
• Many parasitic worms are pseudocoelomates.
• Rotifers are small pseudocoelomate organisms found in freshwater environments.
• The pseudocoelomate body plan lacks a true peritoneum.
• Scientists classify nematodes as pseudocoelomates based on their body cavity structure.