[ plak-ohd ]
/ ˈplæk oʊd /
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a local thickening of the endoderm in the embryo, that usually constitutes the primordium of a specific structure or organ.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Origin of placode
1905–10; <Greek plak- (stem of pláx) something flat, tablet + -ode1
Words nearby placode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for placode
[ plăk′ōd′ ]
An area of thickening in the embryonic epithelial layer from which some organ or structure later develops.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.