单词	oocyst
释义	oocyst noun oo·​cyst ˈō-ə-ˌsist  : zygote specifically : a sporozoan zygote undergoing sporogenous development Example Sentences Recent Examples on the Web As the only known hosts of the parasite, domesticated and feral felines then spread deadly strains into their environment through oocysts—egg-like structures teeming with millions of immature T. gondii—shed in feces. Meilan Solly, Smithsonian, 30 Aug. 2019 Forbes notes that rainwater carries contaminated cat excrement to the coast, sending oocysts flooding into sea otters’ habitats. Meilan Solly, Smithsonian, 30 Aug. 2019 The unsuspecting mammals also accidentally ingest oocysts when grooming or hunting down other food sources. Meilan Solly, Smithsonian, 30 Aug. 2019 Their eggs—known as oocysts—can survive in soil, smeared onto foliage, and floating in seawater for months up to years at a time. Kim Steutermann Rogers, Smithsonian, 9 July 2018 The water bureau detected 12 oocysts of the parasite in 2,200 liters of water from January 1 to March 8, according to the state's letter. Jessica Floum, OregonLive.com, 23 May 2017 Word History Etymology International Scientific Vocabulary First Known Use 1875, in the meaning defined above Medical Definition oocyst noun oo·​cyst ˈō-ə-ˌsist  : zygote specifically : a sporozoan zygote undergoing sporogenous development
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