foramen

• 名词，指自然形成的孔或通道，尤指穿过骨骼或膜状结构的开口。

A noun referring to a natural opening or passage, especially through a bone or a membranous structure in the body.

不规则复数

1. Natural opening in boneC2formalmedical

   A natural opening or passage in a bone, especially in the skull, through which nerves, blood vessels, or other structures pass.

   骨孔

   • The optic nerve passes through the optic foramen in the skull.
   • The surgeon identified the foramen magnum at the base of the skull.
   • A small foramen in the vertebrae allows spinal nerves to exit.

   同义词aperturefenestrahiatusholeopeningorificepassageperforation