primordium
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of primordium
1665–75; < Latin prīmōrdium, in plural: beginnings, elementary stage, equivalent to prīm ( us ) first ( see prime) + ōrd ( īrī ) to begin + -ium -ium; cf. exordium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
These embryonic pluripotent cells within the facial primordium -- the early development form -- may be necessary for forming proper facial structures.
From Science Daily ● Apr. 11, 2024
"Our findings suggest that RhoA-induced actin flow on the basal sides of cells constitutes the motor that pulls the primordium forward, a scenario that likely underlies the movement of many cell groups," added Dr. Knaut.
From Science Daily ● Dec. 13, 2023
The current study found that the cells in the primordium instead activate RhoA in pulses in the front of the cells where it does two jobs.
From Science Daily ● Dec. 13, 2023
Published online December 13 in Current Biology, the new work reveals how the cells in the primordium use a protein called RhoA to trigger forces that move the group into place in the developing embryo.
From Science Daily ● Dec. 13, 2023
These pits are not isolated, but are connected by an ectodermal ridge, which grows in at the margin of the mantle and forms a continuous band somewhat resembling the ectodermal primordium of vertebrate teeth.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various
Our data indicate that mature LTi cell numbers regulate the size of SLO primordia and may determine lymphoid organ size in adulthood.
From Nature ● Apr. 4, 2014
Bach was able to do this, and what emerged in the current were primordia in music.
From "The Lives of a Cell" by Lewis Thomas
Germs are visible in the ovum before fecundation; in these germs the very primordia of future organization can be distinguished.
From Curiosities of Medical Experience by Millingen, J. G. (John Gideon)
It is entirely possible that failure to form blossom buds is caused either by killing of bud primordia or more likely by depletion of carbohydrate reserves due to the loss of leaves in early fall.
From Northern Nut Growers Association Incorporated 39th Annual Report at Norris, Tenn. September 13-15 1948 by Northern Nut Growers Association
We may call these "primordia viventium" plastide particles, bioplasts, vital units, or whatsoever we will,--the name is nothing, the working process is everything.
From Life: Its True Genesis by Wright, R. W.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
