https://www.merriam-webster.com/medical/tracheal%20ring
TRACHEAL RING Definition & Meaning | Merriam-Webster Medical
The meaning of TRACHEAL RING is any of the 16 to 20 C-shaped bands of highly elastic cartilage which are found as incomplete rings in the anterior two-thirds...
tracheal ringmerriam websterdefinitionmeaningmedical