V2EX bolus

Bolus

释义 Definition

bolus(名词):(尤用于医学)一次性吞服或注入的一团物质;常指一团食物(从口腔进入食道的食团),或一次快速给入的药量/注射剂量(如静脉推注、胰岛素泵的追加剂量)。另有“团块、球状块”的含义。

发音 Pronunciation

/bols/

例句 Examples

She swallowed the bolus without chewing much.
她几乎没怎么咀嚼就把那团食物咽下去了。

After the CT scan, the nurse administered a bolus of saline to stabilize his blood pressure.
做完CT后,护士快速静脉推注了一次生理盐水,以稳定他的血压。

词源 Etymology

bolus源自拉丁语 bolus,再往前来自希腊语 bōlos,意为“团块、土块、块状物”。因此它在医学语境里常用来描述“成团的一口食物”或“成团/集中一次给入的剂量”。

相关词 Related Words

文学作品 Literary Works

  • James Joyce, Ulysses(《尤利西斯》):书中有描写进食、吞咽等身体细节的段落,常见到表示“食团/吞咽物”的用词语境(含 bolus 的医学/生理表达在相关版本与注释中出现)。
  • Herman Melville, Moby-Dick(《白鲸》):涉及食物、咀嚼与吞咽的描写中可见到“团块/一口食物”这类词汇的使用语境(部分版本中可检索到 bolus 作为“食团/团块”的用法)。
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