Term
ORIGIN & INSERTION
Frontalis |
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Definition
Origin: Galea aponeurotica
Insertion: Skin of the eyebrow |
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Term
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Definition
Elevates eyebrows
Wrinkles forehead |
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Term
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Definition
| Temporal Branches of Facial N. |
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Term
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Definition
Supraorbital A.
Supratrochlear A. |
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Term
ORIGIN & INSERTION
Occipitalis |
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Definition
Origin: Superior nuchal line
Insertion: Galea aponeurotica |
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Term
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Definition
Pulls scalp posteriorly
Elevates eyebrows |
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Term
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Definition
| Posterior Auricular Branch of Facial N. |
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Term
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Definition
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Term
ORIGIN & INSERTION
Procerus |
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Definition
Origin: Nasal bone
Insertion: Skin between eyebrows |
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Term
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Definition
| Depresses medial corners of eyebrows |
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Term
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Definition
| Temporal Branch of Facial N. |
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Term
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Definition
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Term
ORIGIN & INSERTION
Corrugator supercilii |
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Definition
Origin: Medial part of auperciliary arch
Insertion: Skin of medial half of eyebrow |
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Term
ACTION
Corrugator supercilii |
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Definition
| Pulls eyebrows together medially |
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Term
INNERVATION
Corrugator supercilii |
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Definition
| Temporal Branch of Facial N. |
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Term
BLOOD SUPPLY
Corrugator supercilii |
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Definition
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Term
ORIGIN & INSERTION
Orbicularis oculi |
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Definition
ORBITAL PART
Origin: Medial orbital margin, medial palpebral ligament
Insertion: Skin of lateral cheek
PALPEBRAL PART
Origin: Medial palpebral ligament
Insertion: Lateral palpebral raphe |
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Term
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Definition
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Term
INNERVATION
Orbicularis oculi |
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Definition
| Temporal & Zygomatic Branches of Facial N. |
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Term
BLOOD SUPPLY
Orbicularis oculi |
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Definition
Supraorbital A.
Supratrochlear A.
Infraorbital A.
Angular Branch of Facial A. |
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Term
ORIGIN & INSERTION
Nasalis |
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Definition
Origin: Maxilla above incisor teeth and canine teeth
Insertion: Ala of nose, midline aponeurosis |
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Term
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Definition
Flattens nose
Flare nostrils |
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Term
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Definition
| Buccal Branch of Facial N. |
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Term
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Definition
| Superior Labial Branch of Facial A. |
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Term
ORIGIN & INSERTION
Levator labii superioris alaque nasi |
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Definition
Origin: Frontal process of maxilla
Insertion: Ala of nose, skin of upper lip |
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Term
ACTION
Levator labii superioris alaque nasi |
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Definition
Elevates upper lip
Flares nostrils |
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Term
INNERVATION
Levator labii superioris alaque nasi |
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Definition
| Buccal Branch of Facial N. |
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Term
BLOOD SUPPLY
Levator labii superioris alaque nasi |
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Definition
Infraorbital A.
Superior Labial Branch of Facial A. |
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Term
ORIGIN & INSERTION
Depressor septi |
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Definition
Origin: Maxilla near midline above incisor teeth
Insertion: Nasal septum |
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Term
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Definition
Depresses nasal septum
Involved in flaring nostrils |
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Term
INNERVATION
Depressor septi |
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Definition
| Buccal Branch of FAcial N. |
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Term
BLOOD SUPPLY
Depressor septi |
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Definition
| Superior Labial Branch of Facial A. |
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Term
ORIGIN & INSERTION
Orbicularis oris |
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Definition
Origin: Skin & fascia of lips
Insertion: Skin & fascia of lips |
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Term
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Definition
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Term
INNERVATION
Orbicularis oris |
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Definition
| Buccal Branch of Facial N. |
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Term
BLOOD SUPPLY
Orbicularis oris |
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Definition
Superior & Inferior Labial Branches of Facial A.
Mental A.
Infraorbital A. |
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Term
ORIGIN & INSERTION
Levator labii superioris |
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Definition
Origin: Inferior margin of orbit
Insertion: Skin of upper lip |
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Term
ACTION
Levator labii superioris |
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Definition
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Term
INNERVATION
Levator labii superioris |
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Definition
| Buccal Branch of Facial N. |
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Term
BLOOD SUPPLY
Levator labii superioris |
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Definition
Infraorbital A.
Superior Labial Branch of Facial A. |
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Term
ORIGIN & INSERTION
Zygomaticus minor |
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Definition
Origin: Lower surface of zygomatic bone
Insertion: Lateral part of upper lip |
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Term
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Definition
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Term
INNERVATION
Zygomaticus minor |
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Definition
| Buccal Branch of Facial N. |
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Term
BLOOD SUPPLY
Zygomaticus minor |
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Definition
Transverse Facial A.
Facial A. |
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Term
ORIGIN & INSERTION
Zygomaticus major |
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Definition
Origin: Upper lateral suface of zygomatic bone
Insertion: Skin of angle of mouth |
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Term
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Definition
| Elevates & draws the corner of the mouth laterally |
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Term
INNERVATION
Zygomaticus major |
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Definition
| Zygomatic & Buccal Branches of Facial N. |
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Term
BLOOD SUPPLY
Zygomaticus major |
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Definition
Transverse Facial A.
Facial A. |
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Term
ORIGIN & INSERTION
Levator anguli oris |
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Definition
Origin: Canine fossa of maxilla
Insertion: Angle of mouth |
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Term
ACTION
Levator anguli oris |
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Definition
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Term
INNERVATION
Levator anguli oris |
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Definition
| Buccal Branch of Facial N. |
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Term
BLOOD SUPPLY
Levator anguli oris |
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Definition
Infraorbital A.
Superior Labial Branch of Facial A. |
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Term
ORIGIN & INSERTION
Risorius |
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Definition
Origin: Fascia of lateral cheek
Insertion: Skin of angle of mouth |
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Term
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Definition
| Draws the corner of mouth laterally |
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Term
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Definition
| Buccal Branches of Facial N. |
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Term
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Definition
Transverse Facial A.
Facial A. |
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Term
ORIGIN & INSERTION
Buccinator |
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Definition
Origin: Pterygomandibular raphe, mandible, maxilla lateral to molar teeth
Insertion: Angle of mouth and lateral portion of upper and lower lips |
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Term
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Definition
Pulls corner of mouth laterally
Presses cheek against teeth |
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Term
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Definition
| Buccal Branches of Facial N. |
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Term
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Definition
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Term
ORIGIN & INSERTION
Depressor anguli oris |
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Definition
Origin: Oblique line of mandible
Insertion: Angle of mouth |
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Term
ACTION
Depressor anguli oris |
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Definition
| Pulls corner of mouth downward |
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Term
INNERVATION
Depressor anguli oris |
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Definition
| Marginal Mandibular & Buccal Branches of Facial N. |
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Term
BLOOD SUPPLY
Depressor anguli oris |
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Definition
Inferior Labial Branch of Facial A.
Mental A. |
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Term
ORIGIN & INSERTION
Depressor labii inferioris |
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Definition
Origin: Anterior surface of mandible
Insertion: Skin of lower lip |
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Term
ACTION
Depressor labii inferioris |
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Definition
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Term
INNERVATION
Depressor labii inferioris |
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Definition
| Marginal Mandibular Branch of Facial N. |
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Term
BLOOD SUPPLY
Depressor labii inferioris |
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Definition
Inferior Labial Branch of Facial A.
Mental A. |
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Term
ORIGIN & INSERTION
Mentalis |
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Definition
Origin: Anterior surface of mandible near mental symphysis
Insertion: Skin of chin |
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Term
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Definition
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Term
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Definition
| Marginal Mandibular Branch of Facial N. |
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Term
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Definition
Mental A.
Inferior Labial Branch of Facial A. |
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Term
ORIGIN & INSERTION
Platysma |
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Definition
Origin: Fascia overlying the pectoralis major and deltoid muscles
Insertion: Inferior border of the mandible, skin of lower face |
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Term
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Definition
Draws corners of mouth down
Aids in depression of mandible |
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Term
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Definition
| Cervical Brance of Facial N. |
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Term
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Definition
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Term
ORIGIN & INSERTION
Temporalis |
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Definition
Origin: Temporal fossa, temporal fascia
Insertion: Coronoid process of mandible, anterior surface of ramus of mandible |
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Term
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Definition
Elevates mandible
Retracts mandible (posterior fibers) |
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Term
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Definition
| Anterior & Posterior Deep Temporal N's from Mandibular Division of Trigeminal N. (V3) |
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Term
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Definition
Anterior Deep Temporal A.
Posterior Deep Temporal A. |
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Term
ORIGIN & INSERTION
Masseter |
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Definition
Origin: Dygomatic arch, zygomatic bone
Insertion: Lateral surface of ramus, angle of mandible |
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Term
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Definition
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Term
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Definition
| Nerve to Masseter from Mandibular Division of Trigeminal N. (V3) |
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Term
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Definition
| Masseteric Branch of Maxillary A. |
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Term
ORIGIN & INSERTION
Lateral Pterygoid |
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Definition
SUPERIOR HEAD
Origin: Greater wing of sphenoid bone
Insertion: Capsule, Articular disk of temporomandibular joint
INFERIOR HEAD
Origin: Lateral surface of lateral pterygoid plate
Insertion: Neck of mandible |
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Term
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Definition
Protracts mandible
Opens mouth
Active in grinding actions of chewing |
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Term
INNERVATION
Lateral Pterygoid |
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Definition
| Lateral Pterygoid Branch of Mandibular Division of Trigeminal N. (V3) |
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Term
BLOOD SUPPLY
Lateral Pterygoid |
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Definition
| Pterygoid Branch of Maxillary A. |
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Term
ORIGIN & INSERTION
Medial Pterygoid |
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Definition
Origin: Medial surface of lateral pterygoid plate, pyramidal process of palatine bone, tuberosity of maxilla
Insertion: Medial surface of ramus & angle of mandible |
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Term
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Definition
Elevates mandible
Protracts mandible |
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Term
INNERVATION
Medial Pterygoid |
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Definition
| Medial Pterygoid Branch of Mandibular Division of Trigeminal N. (V3) |
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Term
BLOOD SUPPLY
Medial Pterygoid |
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Definition
| Pterygoid Branch of Maxillary A. |
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