olfactory placode
noun
: a thick plate of cells derived from the neural ectoderm in the head region of the vertebrate embryo and developing into the olfactory region of the nasal cavity
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“Olfactory placode.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/olfactory%20placode. Accessed 27 Nov. 2025.
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