osphradiumn.

Brit.

/ɒsˈfreɪdɪəm/, U.S.

/ɑsˈfreɪdiəm/

Inflections: Plural osphradia.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ὄσϕρα , -idium comb. form.

Etymology: < Byzantine Greek ὄσϕρα smell ( < ancient Greek ὀσϕραίνεσθαι to smell < ὀσ- , reduced form of stem ὀδ- (see odmyl n.) + -ϕραίνεσθαι (only in compounds) < ϕρεν- , ϕρήν mind: see phren n.) + -idium comb. form. Compare Byzantine Greek ὀσϕράδιον nosegay.

Zoology.

An olfactory organ in some gastropod molluscs, consisting of an area of sensitive tissue on the gill membranes.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > parts of mollusc

ungulaa1382

mantlea1475

trunk1661

diaphragm1665

lid1681

operculum1681

ear1688

beard1697

corslet1753

scar1793

opercle1808

pleura1826

pallium1834

byssus1835

cephalic ganglia1835–6

opercule1836

lingual ribbon1839

tube1839

cloak1842

test1842

collar1847

testa1847

rachis1851

uncinus1851

land-shell1853

mantle cavity1853

mesopodium1853

propodium1853

radula1853

malacology1854

gill comb1861

pallial cavity1862

tongue-tootha1877

mesopode1877

odontophore1877

pallial chamber1877

shell-gland1877

rasp1879

protopodium1880

ctenidium1883

osphradium1883

shell-sac1883

tooth-ribbon1883

megalaesthete1885

rachidian1900

scungille1953

tentacle-sheath-

1883 E. R. Lankester in Encycl. Brit. XVI. 636/1 Near the base of the stem of each ctenidium is..Spengel's olfactory organ, which tests the respiratory fluid... We propose to call it the osphradium.

a1933 J. A. Thomson Biol. for Everyman (1934) I. xv. 384 At the base of the gills there is usually a water-testing smelling organ (called the osphradium).

1958 J. E. Morton Molluscs iv. 64 At either side of the rectum lie the paired organs (gills, osphradia and hypobranchial glands), known as the pallial complex.

2000 Veliger 43 302 The mantle cavity contains a gill with triangular lamellae, purple hypobranchial gland, and a triple-ridged osphradium.

Derivatives

osˈphradial adj.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [adjective] > of parts of molluscs > of other parts of

pedal1625

sinistral1803

lingual1826

byssiferous1835

pallial1836

metapodal1853

byssal1854

boreal1856

branchio-parietal1856

odontophorous1870

odontophoral1877

branchio-pallial1880

lentigerous1883

osphradial1883

pleurecbolic1883

pleurembolic1883

byssogenous1886

ctenidial1888

metapodial1890

pseudofaecal1953

1883 E. R. Lankester in Encycl. Brit. XVI. 645/1 A simple pair of osphradial patches.

1947 Philos. Trans. (Royal Soc.) B. 232 445 Sediment carried by the respiratory current is carried over the osphradial surface.

1990 Jrnl. Zool. 222 534 This tissue is innervated by the osphradial ganglion.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2022).

单词	osphradium
释义	osphradiumn. Brit. /ɒsˈfreɪdɪəm/, U.S. /ɑsˈfreɪdiəm/ Inflections: Plural osphradia. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ὄσϕρα , -idium comb. form. Etymology: < Byzantine Greek ὄσϕρα smell ( < ancient Greek ὀσϕραίνεσθαι to smell < ὀσ- , reduced form of stem ὀδ- (see odmyl n.) + -ϕραίνεσθαι (only in compounds) < ϕρεν- , ϕρήν mind: see phren n.) + -idium comb. form. Compare Byzantine Greek ὀσϕράδιον nosegay. Zoology. An olfactory organ in some gastropod molluscs, consisting of an area of sensitive tissue on the gill membranes. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > parts of mollusc ungulaa1382 mantlea1475 trunk1661 diaphragm1665 lid1681 operculum1681 ear1688 beard1697 corslet1753 scar1793 opercle1808 pleura1826 pallium1834 byssus1835 cephalic ganglia1835–6 opercule1836 lingual ribbon1839 tube1839 cloak1842 test1842 collar1847 testa1847 rachis1851 uncinus1851 land-shell1853 mantle cavity1853 mesopodium1853 propodium1853 radula1853 malacology1854 gill comb1861 pallial cavity1862 tongue-tootha1877 mesopode1877 odontophore1877 pallial chamber1877 shell-gland1877 rasp1879 protopodium1880 ctenidium1883 osphradium1883 shell-sac1883 tooth-ribbon1883 megalaesthete1885 rachidian1900 scungille1953 tentacle-sheath- 1883 E. R. Lankester in Encycl. Brit. XVI. 636/1 Near the base of the stem of each ctenidium is..Spengel's olfactory organ, which tests the respiratory fluid... We propose to call it the osphradium. a1933 J. A. Thomson Biol. for Everyman (1934) I. xv. 384 At the base of the gills there is usually a water-testing smelling organ (called the osphradium). 1958 J. E. Morton Molluscs iv. 64 At either side of the rectum lie the paired organs (gills, osphradia and hypobranchial glands), known as the pallial complex. 2000 Veliger 43 302 The mantle cavity contains a gill with triangular lamellae, purple hypobranchial gland, and a triple-ridged osphradium. Derivatives osˈphradial adj. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [adjective] > of parts of molluscs > of other parts of pedal1625 sinistral1803 lingual1826 byssiferous1835 pallial1836 metapodal1853 byssal1854 boreal1856 branchio-parietal1856 odontophorous1870 odontophoral1877 branchio-pallial1880 lentigerous1883 osphradial1883 pleurecbolic1883 pleurembolic1883 byssogenous1886 ctenidial1888 metapodial1890 pseudofaecal1953 1883 E. R. Lankester in Encycl. Brit. XVI. 645/1 A simple pair of osphradial patches. 1947 Philos. Trans. (Royal Soc.) B. 232 445 Sediment carried by the respiratory current is carried over the osphradial surface. 1990 Jrnl. Zool. 222 534 This tissue is innervated by the osphradial ganglion. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2022). < n.1883
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