protocone
/ˈprəʊtəkəʊn/Zoology
noun
A cusp on the anterior lingual corner of a mammalian upper molar tooth.
Origin
Late 19th century. From proto- + cone; so named because it was thought to represent the apex of the primitive conical reptilian tooth, though later research indicates that this is actually represented by the paracone. Compare protoconid.
- prolapse
- prolapsed disc
- prolapsed intervertebral disc
- prolapsus
- prolate
- prolate cycloid
- prolated
- prolately
- prolateness
- prolation
- prolative
- prole
- proleg
- pro-legate
- prolegomenal
- prolegomenary
- prolegomenist
- prolegomenon
- prolegomenous
- prolepsis
- proleptic
- proleptical
- proletaire
- proletarian
- proletarianisation