spherulen.

Brit.

/ˈsfɛr(j)uːl/, U.S.

/ˈsfɪ(ə)ˌrul/,

/ˈsfɛˌrul/

Forms: Also 1700s sphærule.

Etymology: < Latin sphēr-, sphaerula, diminutive of sphaera sphere n. Compare French sphérule.

1. A little sphere; a small or minute spherical or globular body.

ΘΚΠ

the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity > sphere > small sphere or globule

bayc1420

pommela1425

button1576

orbicle1610

globule1661

spherule1665

globeleta1718

globulet1746

beadlet1863

1665 R. Hooke Micrographia 85 A Spherule or Globe.

1713 W. Derham Physico-theol. 79 The Particles of Water thus mounted up by the Heat, are visibly Sphærules of Water, if viewed with a Microscope.

1753 Philos. Trans. 1751–2 (Royal Soc.) 47 457 Each..was composed of ten or twelve angular and chrystalline spherules.

1813 T. Busby in tr. Lucretius Nature of Things II. vi. Comm. p. vii The density of the spherules is less and less as the parts recede from the centre.

1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 642 Minute, ruby-red spherules.

1875 M. Collins Sweet & Twenty i. x A fountain..throwing its showers of perennial spherules into the air untiringly.

attributive.?1790 J. Imison School of Arts (ed. 2) 215 In using these spherule microscopes, the objects are to be placed in one focus, and the eye in the other.

2. Botany. ‘A globose peridium, with a central opening, through which sporidia are emitted’ (Lindley).

ΘΚΠ

the world > plants > particular plants > fungi > [noun] > parts of

pileus1760

hat1775

rind1788

spherule1796

Rhizomorpha1802

stipe1821

peridium1823

umbo1836

ambrosia1840

holdfast1841

rhizomorph1848

peridiole1857

trama1857

pileole1858

pileolus1858

byssus1866

rhabdus1866

conidiophore1874

appressorium1897

1796 W. Withering Arrangem. Brit. Plants (ed. 3) IV. 391 Spherules in heaps, but not confluent, globular, very small.

Compounds

spherule cell n. Entomology a kind of cell in the hæmolymph of certain insects (see quot. 1969).

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > specialized cell > cell in haemolymph

spherule cell1935

1935 R. E. Snodgrass Princ. Insect Morphol. xiv. 394 The spherule cells of caterpillars differ in many ways from those of Coleoptera, but they appear to be cells of the same type.

1969 R. F. Chapman Insects xxxiii. 677 Spherule cells, found in Lepidoptera and Diptera, are round or oval cells with large, non-refringent, usually acidophilic inclusions filling the whole cell.

1974 Nature 29 Nov. 391/2 Five cell types were identified in the haemolymph of G[alleria] mellonella; prohaemocytes, plasmatocytes, granular cells, spherule cells and oenocytoids.

This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).

单词	spherule
释义	spherulen. Brit. /ˈsfɛr(j)uːl/, U.S. /ˈsfɪ(ə)ˌrul/, /ˈsfɛˌrul/ Forms: Also 1700s sphærule. Etymology: < Latin sphēr-, sphaerula, diminutive of sphaera sphere n. Compare French sphérule. 1. A little sphere; a small or minute spherical or globular body. ΘΚΠ the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity > sphere > small sphere or globule bayc1420 pommela1425 button1576 orbicle1610 globule1661 spherule1665 globeleta1718 globulet1746 beadlet1863 1665 R. Hooke Micrographia 85 A Spherule or Globe. 1713 W. Derham Physico-theol. 79 The Particles of Water thus mounted up by the Heat, are visibly Sphærules of Water, if viewed with a Microscope. 1753 Philos. Trans. 1751–2 (Royal Soc.) 47 457 Each..was composed of ten or twelve angular and chrystalline spherules. 1813 T. Busby in tr. Lucretius Nature of Things II. vi. Comm. p. vii The density of the spherules is less and less as the parts recede from the centre. 1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 642 Minute, ruby-red spherules. 1875 M. Collins Sweet & Twenty i. x A fountain..throwing its showers of perennial spherules into the air untiringly. attributive.?1790 J. Imison School of Arts (ed. 2) 215 In using these spherule microscopes, the objects are to be placed in one focus, and the eye in the other. 2. Botany. ‘A globose peridium, with a central opening, through which sporidia are emitted’ (Lindley). ΘΚΠ the world > plants > particular plants > fungi > [noun] > parts of pileus1760 hat1775 rind1788 spherule1796 Rhizomorpha1802 stipe1821 peridium1823 umbo1836 ambrosia1840 holdfast1841 rhizomorph1848 peridiole1857 trama1857 pileole1858 pileolus1858 byssus1866 rhabdus1866 conidiophore1874 appressorium1897 1796 W. Withering Arrangem. Brit. Plants (ed. 3) IV. 391 Spherules in heaps, but not confluent, globular, very small. Compounds spherule cell n. Entomology a kind of cell in the hæmolymph of certain insects (see quot. 1969). ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > specialized cell > cell in haemolymph spherule cell1935 1935 R. E. Snodgrass Princ. Insect Morphol. xiv. 394 The spherule cells of caterpillars differ in many ways from those of Coleoptera, but they appear to be cells of the same type. 1969 R. F. Chapman Insects xxxiii. 677 Spherule cells, found in Lepidoptera and Diptera, are round or oval cells with large, non-refringent, usually acidophilic inclusions filling the whole cell. 1974 Nature 29 Nov. 391/2 Five cell types were identified in the haemolymph of G[alleria] mellonella; prohaemocytes, plasmatocytes, granular cells, spherule cells and oenocytoids. This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022). < n.1665
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