valvulan.

/ˈvalvjʊlə/

Forms: Plural valvulæ.

Etymology: medieval or modern Latin, diminutive of valva (valve n.¹). Compare Latin valvolae pod of legumes.

Anatomy.

1. A valve or valvule. Usually with Latin qualifying term, as valvula coli, valvulæ conniventes.

ΘΚΠ

the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > closure

valvula1615

valvule1755

valvelet1793

valve1803

occlusor1877

1615 H. Crooke Μικροκοσμογραϕια 853 Some men had rather call them [sc. valves in the veins of the joints] Ostiolæ than Valuulæ.

1653 H. More Antidote against Atheisme ii. xii. §6 You may add to these the notable contrivance of the Heart, its two Ventricles and its many Valvulae.

1832 J. Lindley Introd. Bot. 104 The pieces of which these three classes of bracteæ are composed are called valves or valvulæ by the greater part of botanists.

1859 Todd's Cycl. Anat. & Physiol. V. 346/2 Opposite the attached border of the valvula, this layer is somewhat thick.

2. Entomology. An elongated blade-like process attached to the coxa on the eighth or ninth abdominal segments of some insects and forming part of the ovipositor; = valve n.¹ 3a.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > abdomen > valvula

valve1802

valvula1917

1917 G. C. Crampton in Jrnl. N.Y. Entomol. Soc. XXV. 236 Basal sclerite of valvula of ovipositor (Valvifer).

1935 R. E. Snodgrass Princ. Insect Morphol. xix. 611 The basal apparatus consists essentially of two pairs of lobes or plates, the first and second valvifers..which support the ovipositor shaft by the bases of the valvulae.

1964 R. M. Fox & J. W. Fox Introd. Compar. Entomol. iii. 106 The ovipositor is present in its fully developed form, with three pairs of valvulae, in Phasmida, Grylloblatodea, Dictyoptera, Odonata and Corrodentia.

1978 H. V. Daly et al. Introd. Insect Biol. & Diversity ii. 36/2 Eggs issue from the genital opening.., pass down a channel formed by the valvulae, and are deposited in the ovipositional medium.

This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022).

单词	valvula
释义	valvulan. /ˈvalvjʊlə/ Forms: Plural valvulæ. Etymology: medieval or modern Latin, diminutive of valva (valve n.¹). Compare Latin valvolae pod of legumes. Anatomy. 1. A valve or valvule. Usually with Latin qualifying term, as valvula coli, valvulæ conniventes. ΘΚΠ the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > closure valvula1615 valvule1755 valvelet1793 valve1803 occlusor1877 1615 H. Crooke Μικροκοσμογραϕια 853 Some men had rather call them [sc. valves in the veins of the joints] Ostiolæ than Valuulæ. 1653 H. More Antidote against Atheisme ii. xii. §6 You may add to these the notable contrivance of the Heart, its two Ventricles and its many Valvulae. 1832 J. Lindley Introd. Bot. 104 The pieces of which these three classes of bracteæ are composed are called valves or valvulæ by the greater part of botanists. 1859 Todd's Cycl. Anat. & Physiol. V. 346/2 Opposite the attached border of the valvula, this layer is somewhat thick. 2. Entomology. An elongated blade-like process attached to the coxa on the eighth or ninth abdominal segments of some insects and forming part of the ovipositor; = valve n.¹ 3a. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > abdomen > valvula valve1802 valvula1917 1917 G. C. Crampton in Jrnl. N.Y. Entomol. Soc. XXV. 236 Basal sclerite of valvula of ovipositor (Valvifer). 1935 R. E. Snodgrass Princ. Insect Morphol. xix. 611 The basal apparatus consists essentially of two pairs of lobes or plates, the first and second valvifers..which support the ovipositor shaft by the bases of the valvulae. 1964 R. M. Fox & J. W. Fox Introd. Compar. Entomol. iii. 106 The ovipositor is present in its fully developed form, with three pairs of valvulae, in Phasmida, Grylloblatodea, Dictyoptera, Odonata and Corrodentia. 1978 H. V. Daly et al. Introd. Insect Biol. & Diversity ii. 36/2 Eggs issue from the genital opening.., pass down a channel formed by the valvulae, and are deposited in the ovipositional medium. This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022). < n.1615
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