Sinonim: Cricoid cartilage, cricoid, Ringknorpel.
Yüzük şeklinde kıkırdak anlamına gelir. (Bkz; Kartilago) (Bkz; krikoidea)
Kaynak: http://healthfixit.com/wp-content/uploads/2014/06/Different-views-of-the-cricoid-cartilage-picture.jpg
Kaynak: https://image.slidesharecdn.com/05-121012082011-phpapp01/95/05-lgzszervek-anatmija-olkdasoknak-15-728.jpg?cb=1350030075
