asconoidadj.n.

Brit.

/ˈaskənɔɪd/, U.S.

/ˈæskəˌnɔɪd/

Origin: Formed within English, by derivation. Etymons: ascon n., -oid suffix.

Etymology: < ascon n. + -oid suffix.

Zoology.

A. adj.

Of or resembling an ascon; designating an ascon.

ΚΠ

1885 Proc. Linn. Soc. New S. Wales 9 1107 This species forms colonies of a rather Asconoid appearance.

1906 Q. Jrnl. Microsc. Sci. 49 234 Above the region of these chambers is a short space also lined with the choanocytes..so retaining the primitive asconoid condition.

1957 Systematic Zool. 6 179/1 This development..results in the formation of a sack with double walls, opening by an osculum, that is, an asconoid rhagon.

1968 P. Brian in M. Florkin & B. T. Sheer Chem. Zool. II. i. i. 17 The layer of choanocytes in the embryo is asconoid in distribution, and it later becomes syconoid.

2002 M. Manuael et al. in J. N. A. Hooper & R. W. M. van Soest Systema Porifera II. 1110/2 In the order Leucosolenida, after the settlement of the larva, an asconoid tubular sponge is formed.

B. n.

An asconoid sponge. Cf. ascon n. rare.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > specific types

demosponge1888

asconoid1940

1940 L. H. Hyman Invertebrates I. vi. 291 The syconoid sponges retain the radial vase form of the asconoids.

1963 C. Lévi in E. C. Dougherty et al. Lower Metazoa xxviii. 375 In all the Calcispongiae that have been studied (especially in the ramified asconoids).

1998 G. W. Fischer & S. E. Borer tr. Baensch Marine Atlas II. 15 Sponges are divided into three organizational types—asconoids, syconoids, and leuconoids.

This is a new entry (OED Third Edition, June 2010; most recently modified version published online December 2021).

单词	asconoid
释义	asconoidadj.n. Brit. /ˈaskənɔɪd/, U.S. /ˈæskəˌnɔɪd/ Origin: Formed within English, by derivation. Etymons: ascon n., -oid suffix. Etymology: < ascon n. + -oid suffix. Zoology. A. adj. Of or resembling an ascon; designating an ascon. ΚΠ 1885 Proc. Linn. Soc. New S. Wales 9 1107 This species forms colonies of a rather Asconoid appearance. 1906 Q. Jrnl. Microsc. Sci. 49 234 Above the region of these chambers is a short space also lined with the choanocytes..so retaining the primitive asconoid condition. 1957 Systematic Zool. 6 179/1 This development..results in the formation of a sack with double walls, opening by an osculum, that is, an asconoid rhagon. 1968 P. Brian in M. Florkin & B. T. Sheer Chem. Zool. II. i. i. 17 The layer of choanocytes in the embryo is asconoid in distribution, and it later becomes syconoid. 2002 M. Manuael et al. in J. N. A. Hooper & R. W. M. van Soest Systema Porifera II. 1110/2 In the order Leucosolenida, after the settlement of the larva, an asconoid tubular sponge is formed. B. n. An asconoid sponge. Cf. ascon n. rare. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > specific types demosponge1888 asconoid1940 1940 L. H. Hyman Invertebrates I. vi. 291 The syconoid sponges retain the radial vase form of the asconoids. 1963 C. Lévi in E. C. Dougherty et al. Lower Metazoa xxviii. 375 In all the Calcispongiae that have been studied (especially in the ramified asconoids). 1998 G. W. Fischer & S. E. Borer tr. Baensch Marine Atlas II. 15 Sponges are divided into three organizational types—asconoids, syconoids, and leuconoids. This is a new entry (OED Third Edition, June 2010; most recently modified version published online December 2021). < adj.n.1885
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