acephalocystn.

Brit.

/(ˌ)eɪˈsɛfələ(ʊ)ˌsɪst/,

/(ˌ)eɪˈsɛfl̩ə(ʊ)ˌsɪst/,

/(ˌ)eɪˈkɛfələ(ʊ)ˌsɪst/,

/(ˌ)eɪˈkɛfl̩ə(ʊ)ˌsɪst/, U.S.

/eɪˈsɛfələˌsɪst/

Origin: Either (i) a borrowing from Latin. Or (ii) a borrowing from French. Etymons: Latin acephalocystis; French acéphalocyste.

Etymology: < either scientific Latin acephalocystis or French acéphalocyste (both coined by L. T. H. Laennec 1805, in Bull. de l'École de Médecine de Paris 1 132) < ancient Greek ἀκέϕαλος headless (see acephalous adj.) + κύστις bladder (see cystis n.). N.E.D. (1884) gives the pronunciation as (ăse·făloˌsist) /əˈsɛfələʊsɪst/.

Zoology and Medicine. Now disused.

A cyst formed by and containing the larva of a tapeworm, esp. one of the genus Echinococcus; a hydatid. The ‘headless’ cysts were initially presumed to be the parasitic organism itself, the minute embryonic scolices inside in the cyst being invisible to the naked eye.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of > segmented > larva > in encysted state

hydatid1683

acephalocyst1814

cœnure1847

bladder worm1858

cysticercus1871

1814 Jrnl. Foreign Med. Sci. 4 278 Hydatids are real animals, which must be classed among the vesicular worms, and be henceforth designated by the name of acephalocysts.

1836–9 Todd's Cycl. Anat. & Physiol. II. 116/1 The Acephalocyst is an organized being, consisting of a globular bag... The young Acephalocysts are developed between the layers of the parent cyst.

1862 H. W. Fuller On Dis. Chest 307 In all instances in which acephalocysts are met with in the lungs, the issue of the case is extremely doubtful.

1907 Jrnl. Obstetr. & Gynæcol. 11 338 (heading) Case of Hydatids (Acephalocysts) of the Abdomen and Pelvis, Removed by Abdominal Section.

1922 Internat. Clinics 2 92 Very frequently when suppuration has not occurred the lesion is an acephalocyst.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022).

单词	acephalocyst
释义	acephalocystn. Brit. /(ˌ)eɪˈsɛfələ(ʊ)ˌsɪst/, /(ˌ)eɪˈsɛfl̩ə(ʊ)ˌsɪst/, /(ˌ)eɪˈkɛfələ(ʊ)ˌsɪst/, /(ˌ)eɪˈkɛfl̩ə(ʊ)ˌsɪst/, U.S. /eɪˈsɛfələˌsɪst/ Origin: Either (i) a borrowing from Latin. Or (ii) a borrowing from French. Etymons: Latin acephalocystis; French acéphalocyste. Etymology: < either scientific Latin acephalocystis or French acéphalocyste (both coined by L. T. H. Laennec 1805, in Bull. de l'École de Médecine de Paris 1 132) < ancient Greek ἀκέϕαλος headless (see acephalous adj.) + κύστις bladder (see cystis n.). N.E.D. (1884) gives the pronunciation as (ăse·făloˌsist) /əˈsɛfələʊsɪst/. Zoology and Medicine. Now disused. A cyst formed by and containing the larva of a tapeworm, esp. one of the genus Echinococcus; a hydatid. The ‘headless’ cysts were initially presumed to be the parasitic organism itself, the minute embryonic scolices inside in the cyst being invisible to the naked eye. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of > segmented > larva > in encysted state hydatid1683 acephalocyst1814 cœnure1847 bladder worm1858 cysticercus1871 1814 Jrnl. Foreign Med. Sci. 4 278 Hydatids are real animals, which must be classed among the vesicular worms, and be henceforth designated by the name of acephalocysts. 1836–9 Todd's Cycl. Anat. & Physiol. II. 116/1 The Acephalocyst is an organized being, consisting of a globular bag... The young Acephalocysts are developed between the layers of the parent cyst. 1862 H. W. Fuller On Dis. Chest 307 In all instances in which acephalocysts are met with in the lungs, the issue of the case is extremely doubtful. 1907 Jrnl. Obstetr. & Gynæcol. 11 338 (heading) Case of Hydatids (Acephalocysts) of the Abdomen and Pelvis, Removed by Abdominal Section. 1922 Internat. Clinics 2 92 Very frequently when suppuration has not occurred the lesion is an acephalocyst. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022). < n.1814
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