Primordial utricle
(gcide) | Primordial \Pri*mor"di*al\, a. [L. primordialis, from primordium
the first beginning; primus first + ordiri to begin a web, to
begin: cf. F. primordial.]
1. First in order; primary; original; of earliest origin; as,
primordial condition. "The primordial facts of our
intelligent nature." --Sir W. Hamilton.
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2. (Geol.) Of or pertaining to the lowest beds of the
Silurian age, corresponding to the Acadian and Potsdam
periods in American geology. It is called also Cambrian,
and by many geologists is separated from the Silurian.
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3. (Biol.) Originally or earliest formed in the growth of an
individual or organ; as, a primordial leaf; a primordial
cell.
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Primordial utricle (Bot.), the interior lining of a young
vegetable cell.
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