ampulla

• 指管状结构（如耳内半规管）的膨大部分；也指古罗马人用来盛酒或油的双耳瓶。

A noun referring to a dilated part of a canal or duct, such as in the semicircular canals of the ear, or a two-handled flask historically used by Romans for storing wines or oils.

不规则复数

1. Anatomical structureC2formalmedical

   A small, dilated sac or pouch in a tubular organ or canal, such as in the semicircular canals of the inner ear or in the fallopian tubes.

   壶腹

   • The ampulla of the semicircular canal helps detect rotational movement.
   • An obstruction in the ampulla can affect balance.
   • The surgeon examined the ampulla of the fallopian tube.

   同义词dilatationpouchsac

2. Ancient Roman vesselC2formalart

   A two-handled flask or bottle used by ancient Romans for storing and pouring wine, oil, or other liquids.

   双耳瓶

   • The museum displayed a Roman glass ampulla from the 1st century.
   • Ampullae were often decorated with intricate patterns.
   • The merchant poured olive oil from a clay ampulla.