syconn.

/ˈsʌɪkɒn/

Etymology: < Greek σῦκον fig.

Botany.

†1. = syconium n. Obsolete.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > fruit or reproductive product > [noun] > compound or aggregate fruit

sorosis1831

etaerio1832

syconus1832

sycona1836

syncarpa1836

syconium1856

infructescence1876

a1836 Encycl. Metrop. (1845) VII. 51/1 A sycon is a fleshy, concave receptacle surrounding the fruits.., which are numerous, small, and distinct.

1900 B. D. Jackson Gloss. Bot. Terms 262/1 Sycon..a multiple hollow fruit, as that of the fig.

2. [Adopted as a generic name by A. Risso, Hist. Nat. Europe Méridionale (1826) V. 368.] A calcareous sponge of the genus of this name; also, a stage in the development of sponges in which flagellated chambers are developed and lined with choanocytes.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > class Calcarea > [noun] > member of genus Sycon

sycon1882

1882 W. J. Sollas in P. M. Duncan Cassell's Nat. Hist. VI. 326 A transitional series of species can be shown to exist between a simple Ascon and a Sycon in which radiate buds have all united..to form a complex tubulated wall.

1912 Philos. Trans. (Royal Soc.) B. 202 170 The normal young Sycon has a beautiful double ascular crown of long monaxons.

1932 L. A. Borradaile & F. A. Potts Invertebrata iii. 113 The three grades of sponge structure..are known as the ‘Ascon’, ‘Sycon’, and ‘Leucon’ grades.

Derivatives

syconid n. and adj.

ΚΠ

1887 Encycl. Brit. XXII. 427 Heterocœla, a Syconid, in the Jurassic system.

syconˈoid adj. of, relating to, or designating sycon sponges; also as n.

ΚΠ

1911 Encycl. Brit. XXV. 719 Ute argentea, part of transverse section, showing the Syconoid canal-system.

1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) vi. 70 The sponges are distinguished by their canal systems into asconoid, syconoid, and leuconoid.

1961 Webster's 3rd New Internat. Dict. Eng. Lang. at Sycon Syconoid adj or n.

1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) iii. 25/2 In syconoid and leuconoid sponges the incurrent pores and incurrent canals are not intracellular.

1988 Zoomorphology 107 349 Sponges of the genus Scypha are of the syconoid type, a level of organization found only in the class Calcarea.

This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).

单词	sycon
释义	syconn. /ˈsʌɪkɒn/ Etymology: < Greek σῦκον fig. Botany. †1. = syconium n. Obsolete. ΘΚΠ the world > plants > part of plant > reproductive part(s) > fruit or reproductive product > [noun] > compound or aggregate fruit sorosis1831 etaerio1832 syconus1832 sycona1836 syncarpa1836 syconium1856 infructescence1876 a1836 Encycl. Metrop. (1845) VII. 51/1 A sycon is a fleshy, concave receptacle surrounding the fruits.., which are numerous, small, and distinct. 1900 B. D. Jackson Gloss. Bot. Terms 262/1 Sycon..a multiple hollow fruit, as that of the fig. 2. [Adopted as a generic name by A. Risso, Hist. Nat. Europe Méridionale (1826) V. 368.] A calcareous sponge of the genus of this name; also, a stage in the development of sponges in which flagellated chambers are developed and lined with choanocytes. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > class Calcarea > [noun] > member of genus Sycon sycon1882 1882 W. J. Sollas in P. M. Duncan Cassell's Nat. Hist. VI. 326 A transitional series of species can be shown to exist between a simple Ascon and a Sycon in which radiate buds have all united..to form a complex tubulated wall. 1912 Philos. Trans. (Royal Soc.) B. 202 170 The normal young Sycon has a beautiful double ascular crown of long monaxons. 1932 L. A. Borradaile & F. A. Potts Invertebrata iii. 113 The three grades of sponge structure..are known as the ‘Ascon’, ‘Sycon’, and ‘Leucon’ grades. Derivatives syconid n. and adj. ΚΠ 1887 Encycl. Brit. XXII. 427 Heterocœla, a Syconid, in the Jurassic system. syconˈoid adj. of, relating to, or designating sycon sponges; also as n. ΚΠ 1911 Encycl. Brit. XXV. 719 Ute argentea, part of transverse section, showing the Syconoid canal-system. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) vi. 70 The sponges are distinguished by their canal systems into asconoid, syconoid, and leuconoid. 1961 Webster's 3rd New Internat. Dict. Eng. Lang. at Sycon Syconoid adj or n. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) iii. 25/2 In syconoid and leuconoid sponges the incurrent pores and incurrent canals are not intracellular. 1988 Zoomorphology 107 349 Sponges of the genus Scypha are of the syconoid type, a level of organization found only in the class Calcarea. This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018). < n.a1836
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