The doctor inserts a thin tube with a camera on the end through your mouth.
You've got a thin tube inserted into your arm to measure blood pressure.
Also, long, thin tubes are difficult to take out and replace.
The old doctor slips a thin tube of glass under Jack's tongue and studies his pocket watch.
A thin tube is left in place to allow top-ups as needed.
The endoscope is a long, thin tube that has a video camera on the end.
He put the thin tube of hide in Al- etto's hands and turned away.
Scopes have a tiny camera attached to a long, thin tube.
The energy is directed through a thin tube placed in the cut.
He held up a thin bright-green tube about half a meter long.