Body cavity lined by mesoderm is a coelomic cavity. Coelom is absent in acoelomate animals. When the mesoderm is present as scattered pouches in between ectoderm and endoderm, the animals are called pseudocoelomates
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.