homovalvate

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Having identical (top and bottom) valves (of a diatom) not-comparable
    — Phase 1 involved heterovalvate, non-polar valves and spore-like frustules; phase 2 introduced more perforated, non-polar valves, and less spore-like frustules readily recognizable as diatoms even when modern valve-processes were absent; and phase 3 with homovalvate frustules and modern valve processes.

词源

From homo- + valvate.
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