Cartilaginous structure and Voice box

Cartilaginous structure noun - Body structure given shape by cartilage.

Voice box and cartilaginous structure are semantically related. In some cases you can replace phrase "Voice box" with "Cartilaginous structure", this phrases are similar.

Voice box noun - A cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech.

Cartilaginous structure and voice box are semantically related. Sometimes you can use "Cartilaginous structure" instead a noun phrase "Voice box".