placode

noun

plac·​ode ˈpla-ˌkōd How to pronounce placode (audio)
: a platelike thickening of embryonic ectoderm from which a definitive structure develops
ear placode
see lens placode, olfactory placode

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“Placode.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/placode. Accessed 4 Mar. 2025.

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