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acoelomate
This term is a specialized biological descriptor used primarily in zoology and evolutionary biology to categorize animals based on their body plan. It carries a neutral, scientific tone and is used to distinguish simpler organisms from coelomates (which have a true body cavity) and pseudocoelomates (which have a false body cavity).
When used as a noun, it refers to the organism itself, while the adjective form describes the anatomical state of lacking a coelom. Because it is a technical classification, it is rarely encountered outside of academic texts, textbooks, or professional biological discourse.
Meanings
Examples
Flatworms are classic examples of acoelomate animals.
Flatworms are classic examples of acoelomate animals.
Is a tapeworm considered an acoelomate or a pseudocoelomate?
Is a tapeworm considered an acoelomate or a pseudocoelomate?
The specimen is acoelomate because it lacks a true body cavity.
The professor explained that acoelomate organisms have a solid mass of mesoderm.
Look at the cross section to see why it is classified as an acoelomate.
The evolutionary transition from acoelomate to coelomate structures was significant.
The evolutionary transition from acoelomate to coelomate structures was significant.