sesamoid bone vs sesamoid

sesamoid bone and sesamoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
sesamoid bone	Yes	No	No	No
sesamoid	Yes	No	No	No

As nouns, sesamoid bone and sesamoid are synonyms defined as:

sesamoid bone and sesamoid: any of several small round bones formed in a tendon where it passes over a joint

Other synonyms of sesamoid bone include os sesamoideum.

sesamoid bone (noun)	sesamoid (noun)
any of several small round bones formed in a tendon where it passes over a joint	any of several small round bones formed in a tendon where it passes over a joint