† phacocystn.

Forms: 1800s phacocyst, 1800s phakocyst.

Origin: Formed within English, by compounding. Etymons: phaco- comb. form, cyst n.

Etymology: < phaco- comb. form + cyst n., in sense 1 after French phacocyste (J. Decaisne Mémoire sur le développement du pollen, de l'ovule, et sur la structure des tiges (1841) 14).R. G. Mayne (see quot. 1858 at sense 2) gives a Latin form phacocysta. N.E.D. (1906) gives the pronunciation as (fæ·kŏsist) /ˈfækəsɪst/.

Obsolete.

1. Botany. A lentil-shaped cell nucleus. rare.

ΘΚΠ

the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > types of

phacocyst1845

areola1862

subnucleus1862

fusion nucleus1904

eukaryon1957

1845 E. Lankester tr. H. F. Link Rep. Progress Physiol. Bot. in Rep. Progress Zool. & Bot. (Ray Soc.) 59 The cellular tissue..contains many small granules, and some of them also contain a nucleus of a lentil-shaped form, which the author [sc. Decaisne] calls a phakocyst.

1848 J. Lindley Introd. Bot. (ed. 4) II. 234 The ovule forms a club-shaped excrescence, the cellular tissue of which is arranged in concentric layers; each cell contains two phakocysts.

2. Anatomy. The capsule of the lens of the eye. rare.Apparently only attested in dictionaries or glossaries.

ΚΠ

1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 925/1 Phacocysta, Phacocyste, term for the capsule of the crystalline lens: the phacocyst.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2021).

单词	phacocyst
释义	† phacocystn. Forms: 1800s phacocyst, 1800s phakocyst. Origin: Formed within English, by compounding. Etymons: phaco- comb. form, cyst n. Etymology: < phaco- comb. form + cyst n., in sense 1 after French phacocyste (J. Decaisne Mémoire sur le développement du pollen, de l'ovule, et sur la structure des tiges (1841) 14).R. G. Mayne (see quot. 1858 at sense 2) gives a Latin form phacocysta. N.E.D. (1906) gives the pronunciation as (fæ·kŏsist) /ˈfækəsɪst/. Obsolete. 1. Botany. A lentil-shaped cell nucleus. rare. ΘΚΠ the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > types of phacocyst1845 areola1862 subnucleus1862 fusion nucleus1904 eukaryon1957 1845 E. Lankester tr. H. F. Link Rep. Progress Physiol. Bot. in Rep. Progress Zool. & Bot. (Ray Soc.) 59 The cellular tissue..contains many small granules, and some of them also contain a nucleus of a lentil-shaped form, which the author [sc. Decaisne] calls a phakocyst. 1848 J. Lindley Introd. Bot. (ed. 4) II. 234 The ovule forms a club-shaped excrescence, the cellular tissue of which is arranged in concentric layers; each cell contains two phakocysts. 2. Anatomy. The capsule of the lens of the eye. rare.Apparently only attested in dictionaries or glossaries. ΚΠ 1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 925/1 Phacocysta, Phacocyste, term for the capsule of the crystalline lens: the phacocyst. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2021). < n.1845
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