What does coelomic mean?
Coelomic is an adjective meaning relating to the coelom, the fluid-filled cavity found between the digestive tract and body wall in many animals. The word is especially common in descriptions of the fluid occupying this cavity, as in “coelomic fluid,” and in anatomical phrases such as “coelomic cavity.” In animals such as earthworms, many marine invertebrates, and some vertebrates, the coelom provides space in which internal organs can be supported and move without being directly enclosed by surrounding tissue. It also contains a specialized fluid that contributes to movement, protection, and circulation in different animal groups. Coelomic is therefore primarily a scientific term rather than a general-purpose word. It is related to, but distinct from, the noun coelom: one names the body cavity, while the other describes it or its contents.
adjectiveRelating to the coelom, the fluid-filled body cavity found in many multicellular animals. In anatomical and zoological contexts, it may refer specifically to the cavity itself or to the fluid within it.
- Relating to the coelom or to the fluid-filled body cavity of an animal.
"The fluid in the coelomic cavity helps cushion the internal organs."
"The fluid in the coelomic cavity helps cushion the internal organs."
"Researchers sampled coelomic fluid to assess the health of the sea cucumber."
Coelomic fluid gives many animals an internal liquid environment, cushioning organs and allowing them to move independently of the body wall.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does coelomic come from?
The adjective coelomic was formed in English from the noun coelom and the adjectival suffix -ic. Coelom comes through New Latin from Greek koilōma, meaning a cavity, ultimately derived from Greek koilos, meaning hollow. Related English words include coelomate and coelomous, while coelenteron combines the same Greek hollow root with enteron, meaning intestine.
Related word forms
How coelomic is actually used
A highly specialized term used chiefly in zoology, anatomy, comparative biology, and related scientific fields.
Easily confused with coelomic
A coelom is the fluid-filled body cavity itself, whereas coelomic is the adjective describing that cavity or its contents.