Shared Flashcard Set

Details

Muscles of the Head and Neck
Facial
25
Anatomy
Undergraduate 2
02/20/2008

Additional Anatomy Flashcards

 


 

Cards

Term
 
Sternocleidomastoid
Definition
 
Origin:  Sternum and Clavicle
Insertion: Mastoid process
Action:  Tilts head side t side or tilts head downward
Term
 
Orbicularis oculi
Definition
 
Origin: Maxilla and Frontal Bones
Insertion: Dermis near orgin
Action: Closes Eye
Term
 
Procerus muscle
Definition
 
Origin: Bridge of Nose
Insertion: Frontalis Muscle
Action: Wrinkles between eyes
Term
 
Nasalis
Definition
 
Orgin: Maxilla
Insertion: Bridge and ala of nose
Action: Flares nostrils
Term
 
Levator labii superioris group
Definition
 
Origin: Maxilla
Insertion: Skin, Orbicularis Oris, upper lip
Action: Elevates upper lip
Term
 
Risorius
Definition
 
Origin: Platysma and Masseter Fascia
Insertion: Orbicularis Oris; corners of mouth
Action: Widens mouth
Term
 
Zygomaticus major and minor
Definition
 
Origin: Zygomatic bone
Insertion: Angle of mouth and Orbicularis Oris
Action: Lifts corners of mouth
Term
 
Frontalis or occipitofrontalis
Definition
 
Origin: Occipital bone
Insertion: Skin of eyebrow and nose
Action: Elevates eyebrows; moves scalp
Term
 
Orbicularis Oris
Definition
 
Origin: Mandible and Maxilla
Insertion: Fascia or muscles of the lips
Action: Closes lip as in making an “O”.
Term
 
Buccinator
Definition
 
Origin:  Posterior Mandible and Maxilla
Insertion: Orbicularis oris
Action: Puckers lips
Term
 
Depressor Labii Inferioris
Definition
 
Origin: Lateral body of Mandible
Insertion: skin and muscle of lower lip
Action: Assists frowning
Term
 
Mentalis
Definition
 
Origin: Mandible near incisors
Insertion: Skin of chin
Action: Wrinkles chin and protrudes lower lip
Term
 
Depressor anguli oris
Definition
 
Origin: Body of mandible below incisors
Insertion: skin at angle of mouth
Action: Frowning
Term
 
Temporalis
Definition
 
Origin: Temporal fossa
Insertion: Mandibular ramus and coronoid process
Action:  Elevates and protracts mandible
Term

 

Lateral Pterygoid helps open the jaw
Definition
 
Lateral Ptyerygoid
Origin: lateral side of lateral pterygoid, greater wing of sphenoid
Insertion: Mandibular condyle
Action: Opens jaw
Term
Medial Pterygoid helps close the jaw
Definition
 
Medial Pterygoid
Origin:  medial side of lateral pterygoid, palatine and maxilla
Insertion:  Lower angle of mandible
Action: Closes jaw
Term
 
Platysma
Definition
 
Origin: Fascia of chest
Insertion: Lower margin of mandible
Action: Tightens neck 
Term
 
Digastric
Definition
 
Origin: lower margin of mandible and mastoid process
Insertion: Loop above hyoid bone
Action: elevates hyoid and opens mouth
Term
 
Digastric
Definition
 
Origin: lower margin of mandible and mastoid process
Insertion: Loop above hyoid bone
Action: elevates hyoid and opens mouth
Term
 
Stylohyoid
Definition
 
Origin: Styloid Process
Insertion: Hyoid Bone
Action: Elevates hyoid
Term
 
Styloglossus
Definition
 
Origin: Styloid Process
Insertion: Tongue
Action: Retracts Tongue
Term
 
Mylohyoid
Definition
 
Origin: Mylohyoid line of mandible
Insertion: Hyoid bone
Action: Elevates floor of mouth
Term
 
Genioglossus
Definition
 
Origin  Chin
Insertion: Tongue
Action: Depresses and protrudes tongue
Term
 
Geniohyoid
Definition
 
Origin: Chin
Insertion: Hyoid bone
Action: Depresses mandible; protracts hyoid
Supporting users have an ad free experience!