metapneusticadj.

Brit.

/ˌmɛtəpˈnjuːstɪk/, U.S.

/ˌmɛdəpˈn(j)ustɪk/

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: meta- prefix, -pneustic comb. form.

Etymology: < meta- prefix + -pneustic comb. form, after German metapneustisch (F. Brauer 1869, in Verhandlungen der Zoologisch-botanischen Gesellschaft in Wien 19 847).The more immediate model for the English use may have been J. A. Palmén's use in Zur Morphologie des Tracheensystems (1877) vii. 79.

Entomology.

Designating or having a respiratory system in which only the most posterior abdominal pair of spiracles is functional.

ΚΠ

1891 H. M. Bernard & M. Bernard tr. A. Lang Text-bk. Compar. Anat. I. i. 482 The tracheal system is then called metapneustic [Ger. metapneustisch].

1927 F. Balfour-Browne Insects iii. 75 The most usual arrangement is for all but the last pair of spiracles to be closed, this type being called ‘metapneustic’.

1969 R. F. Chapman Insects xxiii. 457 The first instar larva of Sciara (Diptera) is metapneustic.

1982 Ann. Rev. Ecol. & Systematics 13 275 In Scirtidae,..the larva has a metapneustic respiratory system, a multiannulate apical antennal segment, and specialized, filter-feeding mouthparts.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	metapneustic
释义	metapneusticadj. Brit. /ˌmɛtəpˈnjuːstɪk/, U.S. /ˌmɛdəpˈn(j)ustɪk/ Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: meta- prefix, -pneustic comb. form. Etymology: < meta- prefix + -pneustic comb. form, after German metapneustisch (F. Brauer 1869, in Verhandlungen der Zoologisch-botanischen Gesellschaft in Wien 19 847).The more immediate model for the English use may have been J. A. Palmén's use in Zur Morphologie des Tracheensystems (1877) vii. 79. Entomology. Designating or having a respiratory system in which only the most posterior abdominal pair of spiracles is functional. ΚΠ 1891 H. M. Bernard & M. Bernard tr. A. Lang Text-bk. Compar. Anat. I. i. 482 The tracheal system is then called metapneustic [Ger. metapneustisch]. 1927 F. Balfour-Browne Insects iii. 75 The most usual arrangement is for all but the last pair of spiracles to be closed, this type being called ‘metapneustic’. 1969 R. F. Chapman Insects xxiii. 457 The first instar larva of Sciara (Diptera) is metapneustic. 1982 Ann. Rev. Ecol. & Systematics 13 275 In Scirtidae,..the larva has a metapneustic respiratory system, a multiannulate apical antennal segment, and specialized, filter-feeding mouthparts. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < adj.1891
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