Muscles of Facial Expression Ori Occipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Zygomaticus (no need to distinguish major/minor) Platysma

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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eurosis
Muscles of Facial Expression
Origin
Insertion
Action
Occipitofrontalis (Epicranius)
Orbicularis Oculi
Orbicularis Oris
Zygomaticus (no need to
distinguish major/minor)
Platysma
Risorius
Buccinator
Depressor Anguli Oris
Frontal
belly
-Epleranius
Corrugator supercilI
Occipital
belly
Orbieularie oouli
Levater labil
superioris
Temporalis
Zygomatieus
minor and major
Prontal belly of epioranius
(raised eyebrows/wrinkled forehead)
Corugator superoili
(angry eyebrows)
Orbicularis oculi
(blink)
Buccinator
Masseter
Risorius
Sternocieidomastoid
Orbieularis oris
Mertalis
Thapeziun
Depressor
labii interioris
Splenius
capitis
Depressor anguli oris
Platysma
Zygomaticus major
(smile)
Orbicularis oris
(pucker)
Mentalis
(pout)
Platysma
(tense neck)
(b) Superficial museles of the head and neck, left lateral view
(a) Actions of select facial muscles
Transcribed Image Text:eurosis Muscles of Facial Expression Origin Insertion Action Occipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Zygomaticus (no need to distinguish major/minor) Platysma Risorius Buccinator Depressor Anguli Oris Frontal belly -Epleranius Corrugator supercilI Occipital belly Orbieularie oouli Levater labil superioris Temporalis Zygomatieus minor and major Prontal belly of epioranius (raised eyebrows/wrinkled forehead) Corugator superoili (angry eyebrows) Orbicularis oculi (blink) Buccinator Masseter Risorius Sternocieidomastoid Orbieularis oris Mertalis Thapeziun Depressor labii interioris Splenius capitis Depressor anguli oris Platysma Zygomaticus major (smile) Orbicularis oris (pucker) Mentalis (pout) Platysma (tense neck) (b) Superficial museles of the head and neck, left lateral view (a) Actions of select facial muscles
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