PRIMORDIUM (primordia)

Pronunciation (US):

(GB):

Irregular inflected form: primordia   

 Dictionary entry overview: What does primordium mean? 

• PRIMORDIUM (noun)
  The noun PRIMORDIUM has 1 sense:

1. an organ in its earliest stage of development; the foundation for subsequent development

  Familiarity information: PRIMORDIUM used as a noun is very rare.

 Dictionary entry details 

• PRIMORDIUM (noun)

Sense 1

Meaning:

An organ in its earliest stage of development; the foundation for subsequent development

Classified under:

Nouns denoting body parts

Synonyms:

anlage; primordium

Hypernyms ("primordium" is a kind of...):

organ (a fully differentiated structural and functional unit in an animal that is specialized for some particular function)

 Context examples 

Proximal-distal differentiating mesenchymal cells condense to form the limb skeletal primordia.

(Limb Development, NCI Thesaurus)

The maintenance or growth of tissues, organ primordia, or the parts or whole of an organ in vitro in such a way as to allow differentiation or preservation of the architecture or function.

(Organ Culture, NCI Thesaurus)

Further development of this primordium forms the neural crest and neural tube.

(Nervous System Development, NCI Thesaurus)

Agenesis/Aplasia describes the absence of an organ due to the lack of formation and development of its primordium in the embryo.

(Aplasia of the Mouse Prostate Gland, NCI Thesaurus/MMHCC)

FGF3 constitutes a signal for induction of the otic vesicle, the primordium of the inner ear.

(Fibroblast Growth Factor 3, NCI Thesaurus)

Within the endocardium, specific inductive events appear to activate NF-ATc: it is localized to the nucleus only in endocardial cells that are adjacent to the interface with the cardiac jelly and myocardium, which are thought to give the inductive stimulus to the valve primordia.

(NFAT Pathway, NCI Thesaurus/BIOCARTA)