fenestra

• 指小的开口或窗状结构，尤其指骨中的开口，如中耳与内耳之间被膜覆盖的窗（前庭窗、蜗窗）。

A noun referring to a small opening covered with membrane, especially one in the bone between the middle and inner ear.

1. Anatomical openingC1formalmedical

   A small opening or window covered with a membrane, particularly the fenestra ovalis (oval window) or fenestra rotunda (round window) in the middle ear.

   解剖学开口

   • The fenestra ovalis is a membrane-covered opening between the middle ear and inner ear.
   • Surgery was performed to repair the fenestra in the patient's ear.
   • The stapes bone vibrates against the fenestra to transmit sound waves.

   同义词apertureopeningwindow

2. General anatomical windowC2formal

   Any small opening or hole in a bone or other tissue, typically covered by a membrane in anatomical structures.

   解剖窗

   • The fenestra in the skull allows blood vessels to pass through.
   • Bone fenestrae are often found in the vertebrae of reptiles and birds.
   • The term 'fenestra' is used for various small, window-like openings in anatomy.

   同义词apertureforamenhiatusholeopeningorifice