I decided to see how other major dictionaries handle coelom.    From Wordnik.com.  [languagehat.com: COELOM.] Reference

But it was not Haeckel himself who enunciated the coelom theory.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

Cardio-coelom: that part of the coelom that forms the pericardium.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Echinoderm larva, with its still continuous enteron and coelom, to a.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

From the same origins as the Gastræa theory arose the theory of the coelom.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

In correspondence with the tri-regional differentiation of the body in its external configuration, the coelom.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"] Reference

Enteropneusta called the glomerulus, a vascular complex placed on either side of the anterior portion of the stomochord, projecting into the proboscis-coelom.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"] Reference

Dissepiment: a partition wall: applied to the forming septa separating the coelom-sacs in the embryo; also the thin envelope about the members in obtect pupae.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Not only is the coelom thus subdivided, but the enteron (gut, alimentary canal, digestive tube) itself shows indications of three main subsections in continuity with one another: -- (1) proboscis-gut.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"] Reference

coelom-sac: the cavity containing the viscera: in embryology one of a pair of closed sacs, arising in the mesoderm of each segment of the embryo and giving rise to more or less of the coelom of the adult.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

It's the adjective of coelom SEE-lum, which Merriam-Webster said is "the usually epithelium-lined space between the body wall and the digestive tract of metazoans above the lower worms," which told me basically nothing.    From Wordnik.com.  [languagehat.com: COELOM.] Reference

Compare the atrial cavity and coelom of amphioxus.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

From the coelom, it gathers all fluids in its body and filters.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

From the coelom, it gathers all fluids in its body and filters them.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

The small flatworm, planarian, is tiny, flat (because of no coelom), and leaf-shaped.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

It has no coelom (body cavity), but consists of three cell layers: epidermis, gastroderm, mesoderm.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

It has no coelom (body cavity), but consists of three cell layers: ectoderm, endoderm, and mesoderm.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

Snails collect their metabolic wastes in the coelom - which has been reduced to a sac surrounding the heart.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

Demonstrate in a dog-fish the pathetic nerve, the opening between pericardium and coelom. the abdominal pores, and the ureter.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

Figure 28. 1A The well-developed circular and longitudinal muscles of an earthworm push against a segmented, fluid-filled coelom 28-4.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Describe fully the coelom of amphioxus, and compare it with that of the frog in regard to (a) development, (b) its relation to other organs in the adult.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

Figure 3 the coelom is much cut up by the gill slits, and we have remaining of it (a) the dorsal coelomic canals (d.c.c.) and (b) the branchial canals (br. c.) in the bars between the slits.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

The coelom of the dog-fish is peculiar -- among the types we treat of -- in the possession of two direct communications with the exterior, in addition to the customary indirect way through the oviduct.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

The coelom, or body cavity, of Amphioxus lies, of course, as in the vertebrata, between the intestinal wall and the body walls, and, just as in the vertebrata, it is largely reduced where gill slits occur.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

In this way the coelom.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

Compare the coelom of the dog-fish and rabbit.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

Mollusca body plans coelom.    From Wordnik.com.  [humor « WordPress.com Tag Feed] Reference

Haeckel's "coelom" corresponded to the.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

M, mouth. th, throat. tb, tongue-bars. tc, trunk coelom.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"] Reference

I. is the intestine, coe. the coelom, s.c. the spinal cord; n.c. the notochord, surrounded by n.s., the notochordal sheath, ao. is the dorsal aorta.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference