enterocoelen.
/ˈɛntərə(ʊ)siːl/, U.S. /ˈɛn(t)əroʊˌsil/ Zoology.
Any coelom (body cavity) that is or has been in communication with the archenteron during embryonic development.
ΚΠ
1875 T. H. Huxley in Med. Times & Gaz. 29 May 571/1 This space, often termed the ‘body cavity’ or ‘perivisceral cavity’, is in reality, one with the digestive cavity, and may be termed an ‘enterocœle’.
1950 J. Z. Young Life of Vertebr. iii. 48 In earlier chordates..the cœlom is continuous with the archenteron and is said to be an enterocoele.
2008 Integrative & Compar. Biol. 48 653/1 No such epithelial cysts appear in the head mesoderm of the lamprey after disappearance of the original enterocoel.
Derivatives
ˌenteroˈcoelic adj. (also enterocelic) = enterocoelous adj.
ΚΠ
1882 Jrnl. Royal Microsc. Soc. 2 629 The enterocœlic pouches are no longer of the same size.
1964 T. J. Parker & W. A. Haswell Text-bk. Zool. (ed. 7) II. 61 The cavities in these [folds], continuous with the archenteron, are the beginnings of the enterocœlic system.
2003 Evol. & Devel. 5 487/1 Early rudiment stages are characterized by formation of a series of coeloms derived from enterocoelic pouches.
ˌenteroˈcoelous adj. of or relating to an enterocoele or enterocoeles; of the nature of or characterized by the presence of an enterocoele.
ΚΠ
1875 E. R. Lankester in Q. Jrnl. Microsc. Sci. 15 165 You have..in the former an ‘entero-cœlous’ condition, to use Professor Huxley's terminology.
1876 T. H. Huxley in Jrnl. Linn. Soc.: Zool. 12 213 It is possible that the lower [Molluscan] forms are Enterocœlous.
1981 P. D. Nieuwkoop & L. A. Sutasurya Primordial Germ Cells Invertebr. ix. 76 The Echinodermata are enterocoelous coelomates with pentaradiate symmetry.
2005 Developmental Biol. 283 298/1 Coelom formation is enterocoelous and takes place near the end of gastrulation at the tip of the elongating archenteron.
This entry has been updated (OED Third Edition, September 2018; most recently modified version published online March 2022).
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