| primordium | An aggregation of cells in the embryo indicating the first trace of an organ or structure. Synonym: anlage. Origin: L. Origin, fr. Primus, first, + ordior, to begin (05 Mar 2000) |
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| medial nasal primordium | An ectodermally covered mesenchymal swelling lying medial to the olfactory placode or pit in the embryo. Synonym: medial nasal fold, medial nasal primordium, medial nasal process. (05 Mar 2000) |
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| lateral nasal primordium | An ectodermally covered mesenchymal swelling separating the embryonic olfactory pit from the developing eye. Synonym: lateral nasal fold, lateral nasal primordium, lateral nasal process. (05 Mar 2000) |
| frontonasal primordium | The unpaired embryonic prominence between the medial nasal elevations, which eventually merges with them to contribute to the bridge of the nose and the underlying nasal septum. Synonym: forebrain eminence, forebrain prominence, frontonasal primordium, frontonasal process. (05 Mar 2000) |
| primordium |
an organ in its earliest stage of development; the foundation for subsequent development
Ãâó: wordnet.princeton.edu/perl/webwn
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| primordium |
the earliest stage of development of an organ (Hawksworth et al., 1983).
Ãâó: www.anbg.gov.au/glossary/webpubl/fungloss.htm
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| primordium |
An organ, a cell, or an organized series of cells in their earliest stage of differentiation, eg, leaf primordium, sclereid primordium, vessel primordium.
Ãâó: www.na.fs.fed.us/spfo/pubs/silvics_manual/volume_2...
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| primordium |
A group of cells that gives rise to an organ, with some commitment and differentiation begun.
Ãâó: www.fgcouncil.bc.ca/doc-glos.html
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| primordium |
The simplest set of initial conditions capable of triggering viral or organic growth. For example, the primordium of the World Wide Web was the definition of URL, HTTP, and HTML. A question for health is, what are the simplest initial conditions which could trigger off an epidemic of health? See Constraints, Fitness Function
Ãâó: munnecke.com/Glossary.htm
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| primordium | an organ in its earliest stage of development |
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