英语词汇“pore rhomb”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pore rhomb n. Palaeontology (in rhombiferan echinoderms) a diamond-shaped group of surface perforations and canals shared between two thecal plates, believed to have served a respiratory function.

ΚΠ

1854 Ann. & Mag. Nat. Hist. 13 248 Cystideans with pore-rhombs. The pores are disposed in rhomboidal figures, the one-half of which belongs to one plate, the other to its contiguous neighbour.

1866 J. W. Salter On Fossils N. Wales in A. C. Ramsay Geol. N. Wales Mem. Geol. Surv. Great Brit. 285 Cystideæ with pore rhombs, i.e. with the pores united by long canals, which extend from one plate to another.

1900 F. A. Bather Echinoderma in E. R. Lankester Treat. Zool. iii. ix. 42 Those [canals] crossing any one suture come to occupy a rhombic area bisected by the suture-line, and, since, in weathered plates, there appear to be pores at the ends of these canals, the areas have been called ‘pore-rhombs’.

2003 Jrnl. Paleontol. 77 114 (caption) Distribution of pore rhombs and periproctal bordering plate number in families of Glyptocystitida.

单词	pore rhomb
释义	> as lemmas pore rhomb pore rhomb n. Palaeontology (in rhombiferan echinoderms) a diamond-shaped group of surface perforations and canals shared between two thecal plates, believed to have served a respiratory function. ΚΠ 1854 Ann. & Mag. Nat. Hist. 13 248 Cystideans with pore-rhombs. The pores are disposed in rhomboidal figures, the one-half of which belongs to one plate, the other to its contiguous neighbour. 1866 J. W. Salter On Fossils N. Wales in A. C. Ramsay Geol. N. Wales Mem. Geol. Surv. Great Brit. 285 Cystideæ with pore rhombs, i.e. with the pores united by long canals, which extend from one plate to another. 1900 F. A. Bather Echinoderma in E. R. Lankester Treat. Zool. iii. ix. 42 Those [canals] crossing any one suture come to occupy a rhombic area bisected by the suture-line, and, since, in weathered plates, there appear to be pores at the ends of these canals, the areas have been called ‘pore-rhombs’. 2003 Jrnl. Paleontol. 77 114 (caption) Distribution of pore rhombs and periproctal bordering plate number in families of Glyptocystitida. extracted from poren.¹ < as lemmas
随便看	adjuster adjusters adjusting adjusting entry adjustive adjustly adjustment adjustment award adjustment centre adjustment committee adjustment disorder adjustment levy adjustment method adjustment period adjustmental adjustments adjustor adjustor muscle adjustors adjusts adjutable adjutancies adjutancy adjutant adjutant bird

> as lemmas