Primordial Definition
(redirected from primordia)
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n., pl. -di•a (-di ə)
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First, earliest or original (Can we date this quote by Sir W. Hamilton and provide title, author's full name, and other details?) the primordial facts of our intelligent nature (biology) characteristic of the earliest stage of the development of an organism, or relating to a primordium a primordial leaf; a primordial cell primevalA first principle.
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pri·mor·di·um
(prī-môr′dē-əm)n.pl.pri·mor·di·a(-dē-ə) An organ or a part in its most rudimentary form or stage of development.
primordium
(praɪˈmɔːdɪəm) n, pl-dia (-dɪə) (Biology) biology an organ or part in the earliest stage of development
pri•mor•di•um
(praɪˈmɔr di əm)n., pl. -di•a (-di ə)
the first recognizable, histologically differentiated stage in the development of an organ.
[1665–75; < Latin prīmōrdium, in pl.: beginnings, elementary stage =prīm(us) first (see prime) + ōrd(īrī) to begin + -ium-ium1; compare exordium]
| Noun | 1. | primordium - an organ in its earliest stage of development; the foundation for subsequent development organ - a fully differentiated structural and functional unit in an animal that is specialized for some particular function |
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