animal : engineer : Dunhuang paper > 浮囊
Contents
Ferry with the balloon
  Ferry with the airbag. Tang Huilin "all the sound and meaning" Volume: "swim bladder who airbags are also an attempt crossing the sea that enable the power of air bags is also frivolous." Sima Guang Song "virtual submarine": "City dike swim bladder, can not finish." " Sansai Zue Used eight swim bladder ":" floating capsule were to muddy sheep blowing off, so that full line of their space, beam in the armpit, were floating in transition. "
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No. 2
  浮囊 pneumatophore,float
  亦称气囊。是存在于管水母目(siphonophora)群体顶端的囊状体,其中充满气体,因此整个群体成为浮囊,在僧帽水母(physalia)、帆水母(vele- lla)等的气囊因受风力的作用,群体随风漂流。气囊不是个员,而被解释为干轴顶端单独膨胀的囊状物。其气体是气囊壁的细胞所分泌的。在囊泳类中(如:僧帽水母、rhizophysa)气囊很发达,但在钟泳类(如:五角水 母属muggiaea、hippopodius)中却没有气囊,代之以行气囊机能的是称为体囊(somatocyst,oleocyst)的长盲管,它是从第一泳钟下伞的凹处之干室中延伸出来,其中分泌有油滴。僧帽水母气囊中的气体大部分是氮气,此外含15%的氧气和1%氩。广义的鳔也包括气囊。
佛教百科
  【浮囊】 (物名)渡海人所带免没溺之物也。名义集七曰:“五分云:自今听诸比丘畜浮囊,若羊皮若牛皮,传闻,西域渡海之人多作鸟翎毛袋,或齐巨牛脬,海船若失,吹气浮身。”慧琳音义三曰:“浮囊者,气囊也。欲渡大海,凭此气囊轻浮之力也。”经中以譬戒律,护持菩萨之戒,犹如海人之于浮囊也。涅槃经十一曰:“譬如有人带持浮囊欲渡大海。尔时海中有一罗刹,即从其人乞索浮囊,其人闻已即作是念:我今若与必定没死。答言:罗刹,汝宁杀我,浮囊叵得。(中略)菩萨摩诃萨护持禁戒亦复如是。如彼渡人护惜浮囊。”