Shared Flashcard Set

Details

Muscles of the Head
Its the muscles... of the head
21
Anatomy
Undergraduate 1
09/22/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Occipitofrontalis (epicranius)
Definition
The broad muscle that covers the top of the head. When used, creates wrinkles. Singular muscle.
Term
Temporalis
Definition
Broad muscle arising from the temporal cavity and inserting into the mandible. Used in chewing and side-to side movement of the mandible. Dual muscle.
Term
Masseter
Definition
A muscle arising from the zygomatic arch and inserting in the mandible. Closes the mandible. Dual muscle.
Term
Orbicularis oculi
Definition
Purse-string muscle around the eye, used in blinking. Dual muscle.
Term
Corrugator
Definition
Pyramid shaped muscle of facial expression that lies on top of the glabella. Draws the eyebrows in when frowning. Dual muscle
Term
Levator palpebrae superioris
Definition
A muscle found inside of the eyelid that is used to raise the upper eyelid. Dual muscle
Term
Procerus
Definition
Muscle that covers the bridge of the nose. Used to draw the skin of the forehead down, as in during concentration. Single muscle
Term
Orbicularis oris(Puckering muscle)
Definition
A flat band of muscle around the lips, used in puckering and speech. Singular muscle
Term
Levator labii superioris alaeque nasi
Definition
A muscle of facial expression. Raises the upper lip and dilates the nostril. Dual muscle.
Term
Levator labii superioris
Definition
Another muscle of facial expression. Elevates and extends the upper lip. Dual muscle
Term
Levator anguli oris
Definition
A small muscle at the angle of the mouth. Used to elevate the angle of the maouth. Paired muscle
Term
Zygomaticus minor
Definition
Muscle of the face used to draw the upper lip superiorly and laterally. Paired muscle.
Term
Zygomaticus Major (laughing muscle)
Definition
Draws the upper lip posteriorly, superiorly, and laterally as in smiling or laughing. Paired muscle.
Term
Buccinator (Trumpeters muscle)
Definition
The principal muscle of the cheek. Originates in the skin ovedr the molar teeth and inserts into the skin at the anguli oris. It is used to compress the cheek and allows the action of sucking. Paired muscle.
Term
Risorius (False smile muscle)
Definition
Extends from the skin over the massater muscles to the corner of the mouth. Used to draw the corners of the mouth posteriorly. Paired muscle.
Term
Depressor anguli oris (Triangularis)
Definition
Muscle of facial expresion that arises from the mandible to the corners of the mouth. It's used to depress the angles of the mouth. Paired muscle.
Term
Depressor labii inferioris(Quadratus)
Definition
A muscle of facial expression, it is used to depress the lower lip inferiorly and slightly laterally. Paired muscle.
Term
Mentalis
Definition
Located n the tip of the chin, it wrinkles the skin over the chin. Single muscle.
Term
Platysma
Definition
A thin layer of muscle covering the anterior aspect of the neck. it is used to wrinkle the skin of the neck and chest. Also depresses the chin as in pouting. Paired muscle,
Term
Sternocleidomastoid muscle (SCM)
Definition
A thick muscle on the side of the neck. It rotates and depresses the head. Paired muscle.
Term
Digastric
Definition
A double-bellied muscle of the neck that attatches to themastoid process and the mandible. It draws the hyoid bone superiorly.Paired muscle.
Supporting users have an ad free experience!