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BIO 225 Muscles I Head & Neck Function
Head and Neck Muscle function
15
Anatomy
Undergraduate 2
09/13/2012
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Term
Frontalis
 Definition
  • raising eyebrows
  • wrinkles forehead
Term
Occipitals 
 Definition
  • pulls scalp posteriously
Term
Temporals
 Definition
  • elevates mandible
  • helps chewing
Term
Masseter
 Definition
  • chewing
  • mastication
Term
Buccinator
 Definition
  • compresses cheeks for whistling
Term
Zygomaticus
 Definition
  • pulls up on corners of the mouth
  • smiling

 
Term
Depressor Anguli Oris
 Definition
  • pulls down on corners of mouth; frowning
Term
Orbicularis Oris
 Definition
  • kissing muscle
  • puckering
Term
Risorius
 Definition
  • tensing of lips 
Term
Mentalis
 Definition
  • wrinkle chin
  • protruding of the lower lips
Term
Sternocleidomastoid
 Definition
  • flexing of the neck
Term
Digastric
 Definition
  • raises/lowers hyoid bone for swallowing
Term
Mylohyoid
 Definition
  • aids in swallowing
  • raises hyoid
Term
Sternohyoid
 Definition
  • depresses hyoid bone for swallowing
Term
Omohyoid
 Definition
  • depresses hyoid bone for swallowing
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