opisthosomaladj.

Brit.

/ə(ʊ)ˌpɪsθəˈsəʊml/, U.S.

/əˌpɪsθoʊˈsoʊm(ə)l/

Origin: A borrowing from Greek, combined with English elements. Etymons: opistho- comb. form, Greek σῶμα , -al suffix¹.

Etymology: < opistho- comb. form + ancient Greek σῶμα body (see soma n.²) + -al suffix¹. Compare later opisthosoma n.

Zoology.

Designating, relating to, or situated in the opisthosoma of an invertebrate.

ΚΠ

1902 Smithsonian Rep. 604 While in the Scorpion the remaining twelve [segments] are free, in Limulus they are united into a compact opisthosomal mass.

1955 Amer. Midland Naturalist 53 153 The extrinsic muscles of the chelicerae..originate from the dorsal plate in the opisthosomal region of the body of the mite.

1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxiii. 130 (table) Merostomata... Gill books on all but 1st pair of opisthosomal appendages.

1991 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (new ed.) xi. 582/1 One half or more of the opisthosomal segments [of pogonophorans] bear setae.

2002 Proc. Royal Soc. B. 269 1195 Opisthosomal appendages are similar in number and morphology to the book-gills of Limulus.

This is a new entry (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	opisthosomal
释义	opisthosomaladj. Brit. /ə(ʊ)ˌpɪsθəˈsəʊml/, U.S. /əˌpɪsθoʊˈsoʊm(ə)l/ Origin: A borrowing from Greek, combined with English elements. Etymons: opistho- comb. form, Greek σῶμα , -al suffix¹. Etymology: < opistho- comb. form + ancient Greek σῶμα body (see soma n.²) + -al suffix¹. Compare later opisthosoma n. Zoology. Designating, relating to, or situated in the opisthosoma of an invertebrate. ΚΠ 1902 Smithsonian Rep. 604 While in the Scorpion the remaining twelve [segments] are free, in Limulus they are united into a compact opisthosomal mass. 1955 Amer. Midland Naturalist 53 153 The extrinsic muscles of the chelicerae..originate from the dorsal plate in the opisthosomal region of the body of the mite. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxiii. 130 (table) Merostomata... Gill books on all but 1st pair of opisthosomal appendages. 1991 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (new ed.) xi. 582/1 One half or more of the opisthosomal segments [of pogonophorans] bear setae. 2002 Proc. Royal Soc. B. 269 1195 Opisthosomal appendages are similar in number and morphology to the book-gills of Limulus. This is a new entry (OED Third Edition, June 2004; most recently modified version published online March 2022). < adj.1902
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