coe·lom

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.

coelom

(ˈsiːləʊm; -ləm) or

celom

(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

coe•lom

(ˈsi ləm)

also coe•lome

(-loʊm)

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.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

coelom - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity

celom, celoma

bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body

Mentioned in

References in periodicals archive

Abbreviations: aw = acinal wall; c = coelom; np = nutritive phagocytes; po = primary oocyte; s = spermatozoa.

An ovotestis event in the gonochoric sea urchin Loxechinus albus (Echinodermata: Echinoidea)

In addition, there are muscle fibers associated with the epigastric coelom lining the body wall and stomach (Fig.

Abbreviated Development of the Brooding Brittle Star Ophioplocus esmarki

Key words: abdominal hernia, oviduct, lateral body wall, coelom, herniorrhaphy, avian, conure, Aratinga nenday, eclectus parrot, Eclectus roratus

Lateral Body Wall Herniation Involving the Oviduct in Two Psittacine Birds

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).

Protective Effect of Quercetin on Histomorphometric Changes in Kidney of Retinoid Acid-Treated Rat Fetuses/Efecto Protector de la Quercetina sobre los Cambios Histomorfometricos en el Rinon de Fetos de Rata Tratados con Acido Retinoico

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).

Aspergillus Section Nigri-Associated Calcium Oxalate Crystals in an Eurasian Eagle Owl (Bubo bubo)

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.

AIRPORTS, DRONEPORTS, AND THE NEW URBAN AIRSPACE

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.

Egg masses of flying squids (cephalopoda: ommastrephidae)

The ovaries were attached to the dorsal median line of the coelom by a short mesovarium.

Evaluation the quality of the oil waste histological changes in the ovaries of the whipfin fish, Gerres filamentosus (Cuvier, 1829) during the reproductive cycle in the Hurghada Red Sea, Egypt

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.

Regulating drones under the First and Fourth Amendments

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].

Gastroschisis: antenatal sonographic predictors of adverse neonatal outcome

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.

Seasonality of freeze tolerance in a subarctic population of the wood frog, Rana sylvatica