preentocristid

名词 n.

英文释义

名词 n.
  1. An anterior entocristid.
    — The entoconid has a prominent preentocristid that extends anteriorly to the base of the metaconid where it just meets the posterior end of a distinct but narrow almost vertical crest that ascends the posterolingual flank of the metaconid.

词源

From pre- + entocristid.
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