Chapter 18 Outline

Cranial Placodes: The Senses of Our Heads

  • Anterior, intermediate, and posterior cranial placodes.
  • Cranial placode induction

Otic-Epibranchial Development: A Shared Experience

  • Otic and epibranchial placode induction
  • Otic Morphogenesis
    • A sensory ganglion by delamination
  • Anatomy of the inner ear
  • Axis determination of the otocyst

Development of The Vertebrate Eye

  • Morphogenesis of the eye
  • Formation of the eye field: the beginnings of the retina
  • The lens-retina induction cascade

Non-Sensory Placodes: The Epidermis and Its Cutaneous Appendages

  • Stem cells to dead cells: The saga of the epidermis
  • Recombination experiments: The roles of epithelium and mesenchyme
  • The ectodermal appendages: Teeth, mammary glands, and hair
  • Stem cells of the epidermal appendages
    • Teeth
    • Mammary glands
    • Hair
    • Signaling pathways you can sink your teeth into
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