Auditory sense

• Give 3 parts of auditory sense

  Outer ear, Middle ear, Inner ear
• Shell - shaped


  Pinna or Auricle
• Ear canal


  External auditory canal
• Thin membrane

  separating outer from middle ear


  Tympanic or Eardrum
• It is attached to Tympanic 


  Malleus
• Stirrups, oval window of the inner ear.

  Stapes
• Give the 3 outer ear


  Auricle, External auditory canal, tympanic or Eardum
• Give 3 to Ossicles/Middle ear


  Malleus, Incus, Stapes
• give 2 part of Inner ear


  Bony labyrinth, membranous labyrinth
• Thick - Perilymph fluid


  Bony labyrinth
• Thicker - Endolymph fluid


  Membranous labyrinth