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primordium

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
pri·mor·di·um  (pr-môrd-m)
n. pl. pri·mor·di·a (-d-)
An organ or a part in its most rudimentary form or stage of development.
[Latin prmrdium; see primordial.]
primordium [praɪˈmɔːdɪəm]
n pl -dia [-dɪə]
(Life Sciences & Allied Applications / Biology) Biology an organ or part in the earliest stage of development
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.primordium - an organ in its earliest stage of development; the foundation for subsequent development
anlage
organ - a fully differentiated structural and functional unit in an animal that is specialized for some particular function
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The proximal portion of the original primordium becomes the main duct of the salivary glands, and the terminal ducts dilate to form the secretory acini.
Unilateral submandibular gland aplasia: a rare phenomenon by Gupta, Neel; Palacios, Enrique; Barry, Shannon / Ear, Nose and Throat Journal
Hofmeister proposed that each new primordium develops on the tip of the growing stem in the spot that is farthest from older primordia.
Mathematical lives of plants: why plants grow in geometrically ... by Rehmeyer, Julie J. / Science News
The primordium forms when the fish is still in the larval stage, and its chemical composition contains a record of where the fish was born.
In tiny ear bones, the life story of a giant bluefin tuna by Cohen, Anne; Layne, Graham / Oceanus
 
 
 
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