Definition of Coelom

1. Noun. A cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity.

Exact synonyms: Celom, Celoma
Generic synonyms: Bodily Cavity, Cavity, Cavum

Definition of Coelom

1. Noun. (zoology) A fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum. ¹

2. Noun. (alternative spelling of coelom) ¹

¹ Source:

Definition of Coelom

1. a body cavity in some animals [n -LOMS or -LOMATA] : COELOMIC [adj]

Medical Definition of Coelom

1. An internal fluid-filled body cavity (other than the gut) within an organism, it lies between the gut (derived from the endoderm) and the outer body wall (derived from the ectoderm) and is lined entirely with tissue derived from the mesoderm. It is formed from the mesoderm during embryonic development. It is found in triploblastic animals called coelomates. (09 Oct 1997)

Lexicographical Neighbors of Coelom

coeliac plexus
coeliac plexus reflex
coeliac rickets
coeliac sprue
coeliac syndrome
coeliac trunk
coelom (current term)
coelomic metaplasia

Literary usage of Coelom

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1910)
"It is remarkable, in view of the spaciousness oí the coelom, that the funnels of thc latter have not been seen O&> branchus possesses a ..."

2. Journal of Morphology by Wistar Institute of Anatomy and Biology (1897)
"FOUR years ago I wrote a general article on the coelom for Wood's Handbook of Medical Science, in which was emphasized the separation of the body cavity ..."

3. A Laboratory Text-book of Embryology by Charles Sedgwick Minot (1903)
"of the embryo and expands into the extra-embryonic coelom or space between ... The Embryonic coelom. In the body of the embryo proper the coelom acquires a ..."

4. Foundations of Biology by Lorande Loss Woodruff (1922)
"coelom The Vertebrate coelom, in contrast with the condition in the Earthworm ... The lining membrane of the coelom is known as the PERITONEUM and forms the ..."

5. An Introduction to the Study of the Comparative Anatomy of Animals by Gilbert Charles Bourne (1900)
"The other organs which lie in the coelom—ovaries, liver, etc.—are similarly suspended from the dorsal wall by a reflection of the peritoneal membrane, ..."

6. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1902)
"For a long time after the division of the coelom into right and left cavities by the flattening of the embryo and the closure of the blastopore these sacs ..."

7. Studies from the Morphological Laboratory in the University of Cambridge by University of Cambridge Morphological laboratory, Adam Sedgwick, Francis Maitland Balfour (1889)
"It is important to notice that in Peripatus the nephridia are parts of the coelom (PI. XIII, diagram, fig. 17), just as they are in Elasmobranchs. ..."

8. Frog: An Introduction to Anatomy, Histology, and Embryology by Arthur Milnes Marshall, George Herbert Fowler (1902)
"The anterior portion of the coelom is very early shut off from the hinder part as the pericardial cavity. (Cf. Figs. 28 and 29. ..."

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