Neurogenic placodes

Neurogenic placodes
Neurogenic placodes
Latin placodae neurogenicae
Code TE E05.

A neurogenic placode is an area of thickening in the embryonic epithelial layer where some organ or structure later develops. The term usually refers to cranial placodes, peripheral nervous system structures associated with the special senses and cranial ganglia. Placodes also develop in the formation of other structures, such as teeth and feathers.


  • The trigeminal placode consists of ophthalmic and maxillomandibular parts.
  • The epipharyngeal placode
  • The dorsolateral placode

Non-human species

  • The lateral line placodes (in aquatic vertebrates) give rise to the lateral line system.
  • The profundal placodes


  1. ^ hednk-027Embryology at UNC

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