ANATOMY OF EXTERNAL EAR
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, • The external ear consists of the expanded portion named the
auricula or pinna, and the external acoustic meatus.
• Auricula is made of cartilage except lobule.
• Pinna is placed Lateral side of head.
• Position of pinna 30 degree.
• The Auricula or Pinna is of an ovoid form, with its
larger end directed upward.
• Its lateral surface is irregularly concave, directed
slightly forward, and presents numerous
eminences and depressions to which names have
been assigned.
• The prominent rim of the auricula is called the
,
,
, • The external ear consists of the expanded portion named the
auricula or pinna, and the external acoustic meatus.
• Auricula is made of cartilage except lobule.
• Pinna is placed Lateral side of head.
• Position of pinna 30 degree.
• The Auricula or Pinna is of an ovoid form, with its
larger end directed upward.
• Its lateral surface is irregularly concave, directed
slightly forward, and presents numerous
eminences and depressions to which names have
been assigned.
• The prominent rim of the auricula is called the
