† epicoelen.

Forms: 1800s–1900s epicoele, 1800s–1900s epicoel.

Origin: Formed within English, by derivation. Etymons: epi- prefix, -coele comb. form.

Etymology: < epi- prefix + -coele comb. form. N.E.D. (1891) gives the pronunciation as (e·pisīl) /ˈɛpɪsiːl/.

Zoology. Obsolete. rare.

T. H. Huxley's name for: a (supposed) type of perivisceral cavity formed by invagination of the ectoderm. Cf. epicoelous adj.

ΚΠ

1875 T. H. Huxley Remarks Classif. Animal Kingdom 216 In this manner a kind of ‘perivisceral cavity’ is formed, which is of a totally different nature from the ‘schizocœle’ of the Annelid, and from the ‘enterocœle’ of the Echinoderm, and which may be termed an epicœle.

1877 T. H. Huxley Man. Anat. Invertebrated Animals xi. 636 In the Tunicata, the atrium is a kind of ‘perivisceral cavity’, which is formed by an invagination of the ectoderm, in which case it may be termed an epicœle.

1900 E. R. Lankester Treat. Zool. ii. ii. 17 In 1875..Huxley proposed to distinguish three kinds of body-cavity: the schizocœl..; the enterocœl..; and the epicœl.

This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2020).

单词	epicoele
释义	† epicoelen. Forms: 1800s–1900s epicoele, 1800s–1900s epicoel. Origin: Formed within English, by derivation. Etymons: epi- prefix, -coele comb. form. Etymology: < epi- prefix + -coele comb. form. N.E.D. (1891) gives the pronunciation as (e·pisīl) /ˈɛpɪsiːl/. Zoology. Obsolete. rare. T. H. Huxley's name for: a (supposed) type of perivisceral cavity formed by invagination of the ectoderm. Cf. epicoelous adj. ΚΠ 1875 T. H. Huxley Remarks Classif. Animal Kingdom 216 In this manner a kind of ‘perivisceral cavity’ is formed, which is of a totally different nature from the ‘schizocœle’ of the Annelid, and from the ‘enterocœle’ of the Echinoderm, and which may be termed an epicœle. 1877 T. H. Huxley Man. Anat. Invertebrated Animals xi. 636 In the Tunicata, the atrium is a kind of ‘perivisceral cavity’, which is formed by an invagination of the ectoderm, in which case it may be termed an epicœle. 1900 E. R. Lankester Treat. Zool. ii. ii. 17 In 1875..Huxley proposed to distinguish three kinds of body-cavity: the schizocœl..; the enterocœl..; and the epicœl. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2020). < n.1875
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