Standard Lemma guide

placode

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈplækəʊd/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A platelike thickening of the epithelial layer of an embryo from which an organ, especially a sense organ, develops.

Definition source: English Wiktionary via Wiktextract

Usage: comparative

Topics: anatomy, biology, medicine, natural-sciences, sciences

Examples

  • 1978, Charles Russell Bardeen, Irving Hardesty, John Lewis Bremer, Edward Allen Boyden (editors), The Anatomical Record, Volume 191, A. R. Liss, page 450, The neural crest cell bodies become more distant from the placode, but their cell processes permeate the increasingly fibrillar extracellular matrix subjacent to the placode.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

3 source translations are retained for this English entry.

  • French: placode — platelike thickening of the epithelial layer of an embryo
  • German: Plakode — platelike thickening of the epithelial layer of an embryo
  • Russian: плако́д (plakód) — platelike thickening of the epithelial layer of an embryo