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also ce·lom (sē′ləm)
n. pl. coeloms or coe·lo·ma·ta (-lə-mä′tə, -măt′ə) also ce·loms or ce·loma·ta
The fluid-filled cavity within the body of most multicellular animals, except some invertebrates such as flatworms and cnidarians, that lies between the body wall and the digestive tract and is formed by the splitting of the embryonic mesoderm into two layers. Also called body cavity.

[German Koelom, from Greek koilōma, cavity, from koilos, hollow; see keuə- in Indo-European roots.]

coe·lom′ic (sĭ-lŏm′ĭk, -lō′mĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈsiːləʊm; -ləm) or


(Zoology) the body cavity of many multicellular animals, situated in the mesoderm and containing the digestive tract and other visceral organs
[C19: from Greek koilōma cavity, from koilos hollow; see coel-]
coelomic, celomic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈsi ləm)

also coe•lome


n., pl. coe•loms, coe•lo•ma•ta (sɪˈloʊ mə tə) also coe•lomes.
the body cavity of higher metazoans, between the body wall and intestine, lined with a mesodermal epithelium.
[1875–80; < Greek koílōma cavity =koilō-, variant s. of koiloûn to hollow out, v. derivative of koîlos hollow + -ma n. suffix of result]
coe•lom•ic (sɪˈlɒm ɪk, -ˈloʊ mɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.coelom - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavitycoelom - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Abbreviations: aw = acinal wall; c = coelom; np = nutritive phagocytes; po = primary oocyte; s = spermatozoa.
In addition, there are muscle fibers associated with the epigastric coelom lining the body wall and stomach (Fig.
Key words: abdominal hernia, oviduct, lateral body wall, coelom, herniorrhaphy, avian, conure, Aratinga nenday, eclectus parrot, Eclectus roratus
The RA was given on 8-10th of gestation, considered to be critical for developing kidney, since nephrogenic cords are reported to appear by 8th day and pronephric tubules and duct are observed to be suspended in the coelom by 10th day (Naseer & Tahir, 2012).
Workup of the dyspnea problem included radiographs which revealed increased areas of soft tissue opacity within the coelom, especially in the lung fields (Figure 1).
The flight of aircraft is lawful 'unless at such a low altitude as to interfere with the then existing use to which the land or water, or the space over the land or water, is put by the owner, or unless so conducted as to be imminently dangerous to persons or property lawfully on the land or water beneath.' (48) The Causby majority reasoned that "[t]he airplane is part of the modern environment of life" where ancient doctrines of airspace ownership such as ad coelom "ha[d] no place in the modern world.
Consequently, the developing intestines are herniated into the extra-embryonic coelom cavity (umbrical cord) at 6 weeks of gestation.
In both cuttlefish (Sepioidea) and squids (Teuthoidea), the oocytes develop from the branching of the genital strand (inside ovary), which almost extends to the posterior end of the mantle from the posterior end of the stomach, within the viscero-pericardial coelom (Harman et al.
The Roman law maxim cujus est solum ejus est usque ad coelom, translated roughly to mean "whoever owns the soil owns to heaven above," established itself as the prevailing theory of airspace ownership under English and American common law thanks to endorsements from Lord Coke and Sir William Blackstone.
As a full thickness defect in the anterior abdominal wall gastroschisis is almost invariably located to the right of the umbilical ring and is characterized by the extrusion of the midgut from the coelom with the absence of a membranous covering (Figure 1) [2].
Observations made during tissue harvesting attested that spring frogs sampled 48 h after freezing began contained substantial amounts of ice in the coelom, beneath the skin, and within the muscles.