cricoid
UK[ˈkrʌɪkɔɪd]US[ˈkraɪˌkɔɪd]
adj
having the shape of a ring, specifically relating to a cartilage of the larynx.
n
the ring-shaped cartilage of the larynx.
Morpheme Breakdown
cric
oid
cric
ring
oid
resembling
Etymology
the term cricoid is a modern anatomical borrowing directly from scientific latin cricoīdes, which itself was adopted from the greek krikoeidēs, meaning "ring-shaped." the greek word is a compound of krikos (ring) and -eidēs (form, resemblance). the logic is perfectly transparent: the cartilage's defining characteristic is its signet-ring shape, a literal description preserved from ancient greek into modern medical terminology. this demonstrates the enduring precision of classical roots in anatomical nomenclature.
Analysis
Structure: cric (ring) + oid (resembling)
cric - from greek krikos (ring). oid - from greek -oeidēs (resembling or having the form of), via latin -oides.
Examples
the cricoid cartilage forms a complete ring, unlike the other laryngeal cartilages.
pressure on the cricoid is a technique used in anesthesia to prevent regurgitation.
the injury affected the cricoid, compromising the patient's airway.