H & N Lab Exam 2

Frontal Nerve (CN V1)

Hint: Eyelid control

Levator Papebrae superioris (controls eyelid; cranial nerve III)

Hint: Pulls up eye to look up

Superior Rectus (Cranial Nerve III)

Lacrimal nerve

Lacrimal Gland

Superior Oblique (Cranial Nerve IV)

Trochlear Nerve (CN IV)

Oculomotor Nerve (CN III)

Abducens Nerve (CN VI)

Lateral Rectus (Cranial Nerve III)

Nasociliary Nerve (CN V1)

Nasociliary Nerve (CN V1)

Common tendinous ring

Optic Nerve (CN II)

Ciliary ganglion

Short ciliary nerves (CN V1 = sympathetic, CN III = parasympathetic fibers)

Long ciliary nerves (CN V1 = sympathetic)

Ophthalmic Artery

Superior ophthalmic vein

Inferior Ophthalmic Vein

Inferior Oblique muscle (CN III)

Lacrimal sac

Lacrimal canaliculus

Sclera

Cornea

Hint: Under Sclera

Choroid

Hint: has photoreceptors

Retina

Hint: gelatinous body of the eye

Vitreous Body

Ciliary Muscles

Iris

Anterior chamber

Posterior Chamber

pupil

Superior nasal meatus

Middle Nasal Meatus

Inferior Nasal Meatus

Torus tubaris

Maxillary sinus

sphenoidal snius

frontal sinus

Superior Pharyngeal Constrictor

Inferior Pharyngeal Constrictor

What is the white line?

Pharyngeal raphe

Middle pharyngeal constrictor (attached to the hyoid)

Stylopharyngeus

Pharyngobasilar Fascia

Tensor Veli Palatini

Levator Veli Palatini

Uvula

Palatopharyngeus Muscle

When this muscle contracts, what does it do?

Stylopharyngeus Muscle; elevates pharynx and larynx

Palatopharyngeal fold

Soft palate

Glossopharyngeal nerve (CN IX) (Causes gag reflex)

Vagus Nerve (CN X)

Pharyngeal Plexus

Hypoglossal Nerve (CN XII)

Greater Palatine Nerve (CN V2)

Lesser Palatine Nerve (CN V2)

Nasopalatine Nerve

Nasopalatine Nerve

What is the name of the foramen?

Incisive foramen

Lingual Nerve

Submandibular Ganglion

Genioglossus Muscle

Geniohyoid Muscle

Mylohyoid Muscle

Sublingual Gland

Submandibular duct

Hypoglossal Nerve (CN XII)

Lingual Artery

Deep Lingual Vein

Temporalis

Masseter

What is the highlighted and inferior muscles called?

Lateral Pterygoids

Articular disk

Inferior Alveolar Nerve

Maxillary Artery

What are the two side by side muscles called?

Medial pterygoid

Mandibular condyle

In the TMJ, what cavity is this?

Inferior joint cavity

In the TMJ, what cavity is this?

Superior Joint Cavity

Lateral (Temporomandibular) Ligament

Buccal Nerve

Buccal Artery

Inferior Alveolar Artery

What nerve is this?

Auriculotemporal nerve

Mandibular foramen