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单词 fasciola
释义

fasciolan.

Brit. /fəˈsʌɪələ/, /ˌfasɪˈəʊlə/, U.S. /fəˈsaɪələ/, /fəˈsiələ/, /ˌfæsiˈoʊlə/
Origin: A borrowing from Latin. Etymons: Latin fasciola; Latin Fasciola.
Etymology: Ultimately < classical Latin fasciola strip of material, band, ribbon < fascia fascia n. + -ola -ola suffix1. In sense 1 via scientific Latin Fasciola, genus name ( Linnaeus Systema Naturae (ed. 10, 1758) 648).In fasciola cinerea at sense 2 after scientific Latin fasciola cinerea (1821 or earlier).
1. Zoology. Any of the liver flukes (parasitic trematode flatworms) of the genus Fasciola (family Fasciolidae), the members of which feed and reproduce in the liver and biliary tract of sheep, cattle, and other mammals (including humans); esp. the fluke F. hepatica, which is a major cause of disease in sheep (cf. fascioliasis n.). Also (in form Fasciola): the genus itself (frequently as a modifier).These flukes have a complex life cycle that includes an intermediate stage of development (from miracidium to cercaria) in pond snails (genus Lymnaea). Mammals become infested by ingesting vegetation or food contaminated with parasites in the metacercarial stage.
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1783 J. Barbut Genera Vermium I. Pref. p. vi/1 The Fasciola feeds on the livers of Sheep.
1822 J. M. Good Study Med. IV. 456 They [sc. certain worms in the bladder or urethra] are..sometimes distinctly cucurbitinous, of the fasciola, fluke, or gourd-kind.
1872 D. G. F. Macdonald Cattle, Sheep, & Deer (ed. 5) Appendix p. xxxi The rot is a disease of the liver—inflammation of that organ; and the vessels of it contain fasciolæ (flukes).
1922 Parasitology 14 246 The miracidia of fasciolae take a long time to hatch out.
2019 Adv. Parasitol. 104 115 Triclabendazole..has been the drug of choice for controlling Fasciola infections in livestock for over 30 years.
2. Anatomy. In full fasciola cinerea. Originally: †an area of grey matter associated with the termination of the cochlear nerve (probably the dorsal and ventral cochlear nuclei) (obsolete). In later use: a band of grey matter extending between the posterior part of the hippocampus and the corpus callosum on each side; a fasciolar gyrus.
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the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cortex > layers of grey matter
substantia nigra1809
fasciola1826
claustrum1848
putamen1877
striatum1889
indusium1890
1826 W. E. Horner Treat. Special & Gen. Anat. II. 331 It is considered as an assistant ganglion to the auditory nerve... Being principally cineritious, it is called fasciola cinerea.
1854 G. Busk & T. Huxley tr. A. Kölliker Man. Human Microsc. Anat. 389 A delicate gray investment with clear nerve-cells, which appears to be identical with the fasciola cinerea, which is continued into the fascia dentata of the pes hippocampi major.
1882 B. G. Wilder & S. H. Gage Anat. Technol. Domest. Cat 470 Between the fimbria and the fasciola is a depressed line.
1962 E. C. Crosby et al. Correl. Anat. Nerv. Syst. vii. 422 Although the main mass of the hippocampus terminates in the region central to the splenium of the corpus callosum, strands of hippocampal tissue (usually gyrus dentatus) extend, as fasciola cinerea, around the splenium to continue into the induseum griseum.
2001 A. L. Lautin Limbic Brain (2002) i. 41 The fasciola cinera [sic] is interposed between the subcallosal flexure and the indusium griseum.
This entry has been updated (OED Third Edition, June 2020; most recently modified version published online March 2022).
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