rhabdomen.

Brit.

/ˈrabdəʊm/, U.S.

/ˈræbdoʊm/

Origin: A borrowing from Greek. Etymon: Greek ῥάβδωμα.

Etymology: < Byzantine Greek ῥάβδωμα rod or bundle of rods (see rhabdom n.). Compare rhabdus n. 2.

Zoology.

A long ray of a sponge spicule from which three short rays diverge at the end. Cf. rhabd n., rhabdus n. 2.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > rhabdus > shaft of

rhabdome1887

1887 W. J. Sollas in Encycl. Brit. XXII. 417/1 A particular case of the cladose rhabdus, but one of the most frequent occurrence, is the triæne; in this form one ray of a rhabdus ends in three branches, which diverge at equal angles from each other. The rhabdus then becomes known as the shaft or rhabdome.

1968 P. Brien in M. Florkin & B. T. Scheer Chem. Zool. II. i. i. 9 The macroscleres are large calthrops (1.500–3.0 mm.), one of whose branches, the shaft or rhabdome, is very long.

2000 Jrnl. Paleontol. 74 391 (caption) Two long rays, short spines only on rhabdomes and bases of rays.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rhabdome
释义	rhabdomen. Brit. /ˈrabdəʊm/, U.S. /ˈræbdoʊm/ Origin: A borrowing from Greek. Etymon: Greek ῥάβδωμα. Etymology: < Byzantine Greek ῥάβδωμα rod or bundle of rods (see rhabdom n.). Compare rhabdus n. 2. Zoology. A long ray of a sponge spicule from which three short rays diverge at the end. Cf. rhabd n., rhabdus n. 2. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > rhabdus > shaft of rhabdome1887 1887 W. J. Sollas in Encycl. Brit. XXII. 417/1 A particular case of the cladose rhabdus, but one of the most frequent occurrence, is the triæne; in this form one ray of a rhabdus ends in three branches, which diverge at equal angles from each other. The rhabdus then becomes known as the shaft or rhabdome. 1968 P. Brien in M. Florkin & B. T. Scheer Chem. Zool. II. i. i. 9 The macroscleres are large calthrops (1.500–3.0 mm.), one of whose branches, the shaft or rhabdome, is very long. 2000 Jrnl. Paleontol. 74 391 (caption) Two long rays, short spines only on rhabdomes and bases of rays. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1887
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