in medicine, a passage that is made to allow blood or other fluid to move from one part of the body to another. for example, a surgeon may implant a tube to drain cerebrospinal fluid from the brain to the abdomen. a surgeon may also change normal blood flow by making a passage that leads from one blood vessel to another.
すべって動く
ギシギシする
to disturb something
to distort the meaning of something
tread over
しゃっくりする