Exam #5: Head (LAB)

What are the attachments of Frontalis?

Origin: Epicranial Aponeurosis

Insertion: Skin of Forehead & Eyebrows

What are the attachments of Orbicularis Oculi?

Origin: Medial Orbital Margin, Lacrimal Bone

Insertion: Skin Around Orbit

What are the attachments of Levator Labii Superioris?

Origin: Infraorbital Margin of Maxilla

Insertion: Upper Lip

What are the attachments of Levator Labii Alaeque Nasi?

Origin: Frontal Process of Maxilla

Insertion: Upper Lip, Nasal Ala

What are the attachments of Levator Anguli Oris?

Origin: Maxilla (canine fossa)

Insertion: Angle of Mouth

What are the attachments of Zygomaticus Major?

Origin: Zygomatic Bone

Insertion: Angle of Mouth

What are the attachments of Buccinator?

Origin: Alveolar Process of Maxilla & Mandible

Insertion: Orbicularis Oris

What are the attachments of Orbicularis Oris?

Origin: Maxilla & Mandible (indirect)

Insertion: Lips

What are the attachments of Depressor Anguli Oris?

Origin: Mandible (oblique line)

Insertion: Angle of Mouth

What are the attachments of Depressor Labii Inferioris?

Origin: Mandible

Insertion: Lower Lip

What are the attachments of Mentalis?

Origin: Mandible (incisive fossa)

Insertion: Skin of Chin

What are the attachments of Platysma?

Origin: Fascia over Pectoralis Major & Deltoid

Insertion: Inferior Mandible, Skin of Lower Face

What are the attachments of Levator Palpbrae Superioris?

Origin: Lesser Wing of Sphenoid

Insertion: Superior Eyelid

What are the attachments of Superior Rectus?

Origin: Common Tendinous Ring

Insertion: Superior Surface of Eyeball

What are the attachments of Inferior Rectus?

Origin: Common Tendinous Ring

Insertion: Inferior Surface of Eyeball

What are the attachments of Medial Rectus?

Origin: Common Tendinous Ring

Insertion: Medial Surface of Eyeball

What are the attachments of Lateral Rectus?

Origin: Common Tendinous Ring

Insertion: Lateral Surface of Eyeball

What are the attachments of Superior Oblique?

Origin: Body of Sphenoid

Insertion: Superior Posterolateral Eyeball

What are the attachments of Inferior Oblique?

Origin: Maxilla (orbital floor)

Insertion: Inferior Posterolateral Eyeball

What are the attachments of Masseter?

Origin: Zygomatic Arch

Insertion: Lateral Surface of Mandible (ramus & angle)

What are the attachments of Temporalis?

Origin: Temporal Fossa

Insertion: Coronoid Process of Mandible

What are the attachments of Medial Pterygoid?

Origin: Medial Surface of Lateral Pterygoid Plate

Insertion: Medial Surface of Mandible (angle)

What are the attachments of Lateral Pterygoid?

Origin: Greater Wing of Sphenoid & Lateral Pterygoid Plate

Insertion: Neck of Mandible & Articular Disc of TMJ

What are the attachments of Genioglossus?

Origin: Mandible (mental spine)

Insertion: Tongue

What are the attachments of Hyoglossus?

Origin: Hyoid Bone

Insertion: Tongue

What are the attachments of Styloglossus?

Origin: Styloid Process

Insertion: Tongue

What runs in the Supraorbital Notch/Foramen?

Supraorbital Nerve

Supraorbital Artery

What runs in the Mental Foramen?

Mental Nerve

Mental Artery

What runs in the Mandibular Foramen?

Inferior Alveolar Nerve

Inferior Alveolar Artery

What runs in the Incisive Foramen/Fossa?

Nasopalatine Nerve

Nasopalatine Artery

What runs in the Superior Alveolar Foramina?

Superior Alveolar Nerves

Superior Alveolar Arteries

What runs in the Greater Palatine Foramen?

Greater Palatine Nerve

Greater Palatine Artery

What runs in the Lesser Palatine Foramina?

Lesser Palatine Nerve

Lesser Palatine Artery

What runs in the Foramen Ovale?

Mandibular Nerve (CN V3)

What runs in the Foramen Spinosum?

Middle Meningeal Artery

What runs in the Superior Orbital Fissure?

Ophthalmic Vein

Oculomotor Nerve (CN III)

Trochlear Nerve (CN IV)

Abducens Nerve (CN VI)

Ophthalmic Nerve (CN V1)

What runs in the Optic Canal?

Optic Nerve (CN II)

Ophthalmic Artery

What structure runs in the Inferior Orbital Fissure?

Infraorbital Nerve

Infraorbital Artery

What structures pass over the Foramen Lacerum?

Internal Carotid Artery

Internal Carotid Plexus

What structures are transmitted by the Carotid Canal?

Internal Carotid Artery

Carotid Plexus

What structures are transmitted by the Pterygomaxillary Fissure?

Maxillary Artery

What structures are transmitted by the Internal Acoustic Meatus?

Facial Nerve (CN VII)

Vestibulocochlear Nerve (CN VII)

What structures are transmitted by the Stylomastoid Foramen?

Facial Nerve (CN VII)

What structures are transmitted by the Jugular Foramen?

Sigmoid Sinus

Inferior Petrosal Sinus

Glossopharyngeal Nerve (CN IX)

Vagus Nerve (CN X)

Spinal Accessory Nerve (CN XI)

What structures are transmitted by the Hypoglossal Canal?

Hypoglossal Nerve (CN XII)

What structures are transmitted by the Foramen Magnum?

Spinal Cord

Spinal Meninges

Vertebral Arteries

Spinal Portion of Accessory Nerve (CN XI)

What structures are transmitted by the Petrotympanic Fissure?

Chorda Tympani Nerve