nucleoconch
Definitions
The embryonic shell of a foraminifera, especially the protoconch and deuteroconch of a megalospheric form.
Examples
“This nucleoconch is less than half the size of that seen in the sections of D. crassa.”
“A microspheric nucleoconch does not have⟳ an obvious deuteroconch, and is followed by a spiral nepionic stage⟳, no matter⟳ what the adult chamber arrangement may be.”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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