Talk:2011 Lab 10 - Postnatal

From Embryology

Postnatal Hearing

  • brainstem triples in length between the 21st fetal week and the first year of life
    • contains auditory pathways
  • auditory pathway continues to grow until about the third year of life as the brainstem diameter increases

wave I generating site - eighth nerve

  • complete by about 24 weeks gestational age
  • peripheral auditory system - comprising the outer and middle ear, cochlea fully formed by the time of birth

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