V2EX sporocyst

Sporocyst

Definition / 释义

sporocyst(孢子囊):生物学术语,指某些寄生虫或原生生物生命周期中的囊状阶段,其主要功能是产生孢子体(如孢子子/子孢子体)或后续幼体。常见于:

  • 顶复门原虫(如疟原虫等相关类群)的发育过程中:在卵囊内形成,产生sporozoites(孢子子)
  • 吸虫类(如肝吸虫等)的幼虫阶段:在螺类宿主体内的囊状幼体,可继续产生后代幼体(如雷蚴、尾蚴等)。

Pronunciation / 发音

/sprsst/

Examples / 例句

The parasite develops inside a sporocyst.
寄生虫在孢子囊内发育。

In many trematodes, the sporocyst stage occurs in snails and produces the next larval forms that continue the life cycle.
在许多吸虫中,孢子囊阶段发生在螺类体内,并产生后续幼体形态以延续其生命周期。

Etymology / 词源

sporo-(“孢子”,源自希腊语 spora,意为“播种、种子/孢子”)+ -cyst(“囊”,源自希腊语 kystis,意为“囊、膀胱样囊袋”)构成,字面意思就是“装子的囊”。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Foundations of Parasitology(Robert W. Roberts, Gerald D. Schmidt 等):在吸虫与原虫生活史章节中讨论 sporocyst 阶段。
  • Parasitic Diseases(Dickson D. Despommier 等):用于说明寄生虫在宿主体内的发育结构与阶段,包括 sporocyst
  • Campbell Biology(Campbell 等,《坎贝尔生物学》):在涉及原生生物与寄生生物学内容时可能出现该术语(通常在更深入的寄生虫学语境中更常见)。
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