As nouns the difference between terms and protostylid
is that terms is while protostylid is (dentistry) a stylid in front of the protoconid, in the protoflexid.
terms
English
Noun
(head)
Statistics
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protostylid
English
Noun
(
en noun)
(dentistry) A stylid in front of the protoconid, in the protoflexid.