Cartilaginous tube and Windpipe

Cartilaginous tube noun - A duct with cartilaginous walls.

Windpipe and cartilaginous tube are semantically related. In some cases you can replace term "Windpipe" with "Cartilaginous tube", this terms are similar.

Windpipe noun - Membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi.

Cartilaginous tube and windpipe are semantically related. Sometimes you can use "Cartilaginous tube" instead a noun "Windpipe".