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250 Cards in this Set

  • Front
  • Back
What are the borders of the posterior triangle?
Trapezius m.
Clavicle
Sternocleidomastoid m.
What are the two triangles are in subdivided from the posterior triangle?
Occipital triangle
Supraclavicular triangle
What muscle sub-divides the posterior triangle?
The posterior belly of the omohyoid
What are the nerves that can be found in the occipital triangle (7)?
Lesser occipital n.
Great auricular n.
Transverse cervical n.
Lateral, Intermediate, Medial Supraclavicular nn.
Spinal accessory n.
What muscles compose the floor of the occipital triangle?
Splenius cervices m.
Levator scapulae m.
What nerves can be found in the supraclavicular triangle?
Dorsal Scapular n.
Suprascapular n.
Long Thoracic n.
Phrenic n.
What arteries and veins can be located in the supraclavicular triangle?
Subclavian a.
Transverse cervical a.
Dorsal scapular a.
Suprascapular a.
Subclavian v.
What muscles make up the floor of the supraclavicular triangle?
Middle and posterior scalene m.
What are the borders of the anterior cervical triangle?
Body of Mandible
Midline of Neck
Sternocleidomastoid m.
What four triangles are formed from the subdivision of the anterior cervical triangle?
Muscular Triangle
Submental Triangle
Submandibular Triangle
Carotid Triangle
What muscles subdivide the anterior cervical triangle?
Superior belly of omohyoid m.
Digastric m.
What are the borders of the muscular triangle?
Superior Belly of Omohyoid
Sternocleidomastoid
Midline of Neck
What muscles can be found in the muscular triangle?
Omohyoid (Superior Belly) m.
Sternohyoid m.
Sternothyroid m.
Thyrohyoid m.
Cricothyroid m.
What "viscera" can be located in the muscular triangle?
Thyroid
Cricoid Cartilages
Trachea
Thyroid and Parathyroid Glands
Esophagus
What nerves can be located in the muscular triangle?
Ansa Cervicalis
Recurrent Laryngeal n.
External Laryngeal n.
What nerves provide innervation for the muscles in the muscular triangle?
Ansa cervicalis
What are the borders of the carotid triangle?
Omohyoid m. (Superior Belly)
Digastric m. (Posterior Belly)
Sternocleidomastoid m.
What nerves can be located in the carotid triangle?
Hypoglossal n. - CN XII
Ansa cervicalis
Vagus n.
Sympatheric chain
Superior, Middle, Inferior Cervical Ganglia
What arteries can be found within the carotid triangle?
Superior thyroid a.
Lingual a.
Facial a.
Ascending pharyngeal a.
Occipital a.
Posterior auricular a.
What veins can be found within the carotid triangle?
Internal jugular v.
What are the borders of the submandibular triangle?
Body of Mandible (Styloid Process)
Posterior Belly of Digastric m.
Anterior Bely of Digastric m.
What muscles can be found within the submandibular triangle?
Stylohyoid m.
What "Viscera" can be found within the submandibular triangle?
Submandibular salivary gland
What nerves can be found within the submandibular triangle?
Mylohyoid n.
What arteries can be found within the submandibular triangle?
Facial a.
What muscle constitutes the floor of the submandibular triangle?
Mylohyoid m.
What are the borders of the submental triangle?
Anterior belly of the Right and Left Digastric m.
Hyoid Bone
What is the floor of the submental triangle?
Mylohyoid m.
What structures transit the root of the neck to access the thorax?
Trachea
Esophagus
Common Carotid Artery
Internal Jugular Vein
Vagus Nerve
Sympathetic Trunk
Which nerves innervate the anterior scalene m?
V. Rami of C4-C6
Which nerves innervate the middle scalene muscles?
V Rami of C3-C8
Which nerves innervate the posterior scalene muscles?
Cervical Spinal nerves C4-C8
How many sections can the subclavian artery be divided?
Three
Which arterial branches can be found in the first part of the subclavian artery?
Vertebral a.
Internal Thoracic a.
Transverse Cervical a.
Suprascapular a.
Inferior thyroid a.
Which arterial branches can be found in the second part of the subclavian artery?
Deep cervical a.
Supreme Intercostal a.
Which arterial branch can possibly be found in the third part of the subclavian artery?
Dorsoscapular a.
Which of the three scalene muscles attaches to the second rib?
Posterior Scalene m.
How many arteries supply blood to the thyroid gland?
Two (L. & R. Superior Thyroid Artery)
How many veins drain blood from the thyroid gland?
Three (L. & R. Internal Jugular Veins and Brachiocephalic Vein)
Where is the origin of the thyroid gland?
The foramen cecum (in the tongue)
What joins the right and left lobes of the thyroid gland?
An Isthmus
What gland controls the metabolism of calcium in the blood?
Parathyroid gland
Where does the thoracic duct meet up with the venous system in the root of the neck?
At the union of the internal jugular and left subclavian
From what nerve does the Right recurrent laryngeal nerve branch off and pass under the subclavian artery?
The Right Vagus nerve (X)
What nerve can be found within the carotid sheath?
The Right Vagus nerve (X)
What nerve descends with the left common carotid artery?
Left Vagus nerve
At what vertebral level can the Superior Cervical Sympathetic Trunk be found?
C2
At what vertebral level can the Middle Cervical Sympathetic Trunk be found?
C6
At what vertebral level can the Inferior Cervical Sympathetic Trunk be found?
C7
What nervous tissue structure can be located on the longus colli muscle?
Cervical Sympathetic Trunk
On its way down neck, what does the inferior cervical sympathetic trunk pass behind?
Subclavian artery
What nerve passes in front of the subclavian artery at the level of the inferior cervical ganglion of the sympathetic trunk?
Vagus nerve
What does the right vagus nerve cross anteriorly to enter the thorax?
The subclavian artery
What does the left vagus nerve cross anteriorly to enter the thorax anterior to the arch of aorta?
Left common carotid artery
What does the right recurrent laryngeal nerve loop posteriorly around?
Subclavian artery
What does the left recurrent laryngeal nerve loop posteriorly around?
Arch of the Aorta
What nerve can be found on the anterior surface of the anterior scalene?
Phrenic nerve
What is the inferior cervical ganglion fused with the first thoracic ganglion called?
Stellate or cervicothoracic ganglion
What vessels can be found anterior of the anterior scalene muscles?
subclavian v.
suprascalular a.
transverse cervical a.
ascending cervical aa.
phrenic n.
What vessels can be found just posterior to the anterior scalene muscle?
Ventral rami of brachial plexus
Subclavian a.
Costocervical branch of Subclavian a.
What role does the frontalis portion of the occipitofrontalis m. play in facial expression?
Raises eyebrows in suprise
What role does the occipitalis portion of the occipitofrontalis m. play in facial expression?
It wrinkles the back of the neck
What role does the orbicularis oculi m. play? (Has three separate portions)
Blinks Eye (Palpebral portion)
Closes the Eye Tightly (Orbital portion)
Squeezes tears into the lacrimal duct (Lacrimal portion)
What role does the corrugator supercilii m. play?
Wrinkles the nose and forehead like when frowning
What role does the Compressor naris m. play?
Compresses the nasal cartilages
What role does the Dilator naris m. play?
Dilates the nose
What role does the Procerus m. play?
Wrinkles the nose
What role does the Obicularis oris m. play?
Puckers the lips
Keeps mouth closed in constant tone
What role does the buccinator m. play?
Compresses the cheeks
Keeps food inside the oral cavity and out of the vestibule of the mouth when chewing
What role does the levator labii superioris m. play?
Sneering
What role does the Levator labii superioris alequae nasi m. play?
Brings lip up to nose
What role does the Levator anguli oris m. play?
Helps in smiling
What role does the depressor anguli oris m. play?
Brings outer lip down in frowning
What role does the depressor labii inferioris m. play?
Curls the lip under in pouting
What roles do the zygomaticus major and minor mm. play?
Broad smile muscles
Used when grimacing
What are the different branches of the Facial Nerve?
Muscular Branch
Posterior Auricular Branch
Temporal
Zygomatic
Buccal
Mandibular
Cervical
Where does the muscular branch of the Facial Nerve lead?
To Stylohyoid and Posterior belly of the Digastric
Where does the posterior auricular branch of the Facial Nerve lead?
To the posterior and superior auricular muscles and occipitalis
Where does the temporal branch of the Facial Nerve lead?
To the anterior and superior auricular muscles; to the forehead area
Where does the zygomatic branch of the Facial Nerve lead?
To orbicularis oculi
Where does the buccal branch of the Facial Nerve lead?
Muscles on the side of the face
Where does the mandibular branch of the Facial Nerve lead?
To the lower lip
Where does the cervical branch of the Facial Nerve lead?
To platysma
What are the three major divisions of the Trigeminal Nerve?
Opthalamic - V1
Maxillary - V2
Mandibular - V3
What branches of the Trigeminal nerve are found in the Opthalamic division?
Supraorbital nerve
Supratrochlear nerve
Lacrimal nerve
What branches of the Trigeminal nerve are found in the Maxiliary division?
Infraorbital nerve
Zygomaticotemporal nerve
What branches of the Trigeminal nerve are found in the Mandibular division?
Auriculotemporal nerve
Mental nerve
What are two sensory branches of the cervical plexus?
Great auricular nerve
Transverse cervical nerve
What artery runs medial to the canthus of the eye by tortuous course, arches over the submandibular gland, and may arise from a common stem with the lingual artery?
Facial artery
Where does the parotid duct enter the oral cavity?
Enters mouth opposite maxillary second molar
What part of the mandible acts as a point of attachment for the temporalis and masseter muscles?
The Coronoid Process
What part of the mandible articulates with the mandibular fossa of the temporal bone?
The Condylar Process
What is the region situates immediately posterior to the ramus of the mandible called?
The Parotid Region
What structure divides the parotid gland into superficial and deep lobes?
The branches of the Facial Nerve
Where does the facial nerve (VII) trunk emerge from the skull?
The Stylomastoid Foramen
What two branches of the facial nerve branch off before the bundle enters the parotid gland?
Posterior auricular n.
Nerve to Stylohyoid
What artery courses deep to the parotid gland, along the posterior border of the ramus of the mandible to bifurcate into the maxillary and superficial temporal arteries?
External Carotid Artery
What artery can be seen within the parotid gland as it branches from the superficial temporal artery to traverse the face?
Transverse Facial Artery
What vein is formed by the maxilary and superficial temporal veins and courses through the parotid gland?
Retromandibular Vein
What two veins join to form the external jugular vein?
Retromandibular Vein
Posterior Auricular Vein
What nerve runs through the parotid region between the head of the mandible and the external acoustic meatus?
Auriculotemporal Nerve
What nerve provides sensory innervation to the auricle, external acoustic meatus, outer surface of tympanic membrane, TMJ and skin of the temporal region?
Auriculotemporal Nerve
What nerve carries postganglionic parasympathetic secretory fibers from the otic ganglion, which regulate parotid glandular secretions?
Auriculotemporal Nerve
Which muscles are among the deepest contents of the parotid region?
Stylohyoid Muscle
Posterior belly of the Digastric Muscle
What muscle other than the stylohyoid does the nerve to stylohyoid innervate?
Posterior belly of the Digastric
Where can the buccal/masseteric region me found?
Anterior to and on the external surface of the ramus of the mandible
Where are the attachments of the masseter muscle?
Inferior border and medial surface of the zygomatic arch
Lateral surface of the angle, ramus, and coronoid process of the mandible
What nerve innervates the masseter muscle?
Masseteric n. (Branch from V3)
What action does the masseter m. perform?
Elevates the mandible
Contributes to mandibular protrusion
The parotid duct and branches of the facial nerve transverse the surface of what structure?
Masseter m.
Where can the buccal fat pad be located?
In the region immediately anterior to the ramus of the mandible
What artery and vein can be seen within the buccal fat pad area?
The Facial a. and v.
What nerve can be seen emerging from deep to the mandible to provide sensory innervation to the buccal skin, mucosa and gingiva?
Long Buccal Nerve (Buccal Branch of V3)
What region of the face is situated immediately superior to the ramus of the mandible?
Temporal Region
What muscle is the major constituent of the temporal region?
Temporalis muscle
Where does the temporalis muscle insert?
The coronoid process of the mandible
What muscle can be located deep to the temporalis fascia?
Temporalis m.
Where is the origin of the temporalis muscle?
The floor of the temporal fossa and deep surface of temporalis fascia
What nerve innervates the temporalis muscle?
The anterior and posterior deep temporal nerves (branches of V3)
What action does the temporalis muscle have?
Elevates the mandible
Retrudes the mandible (posterior fibers)
What artery and vein can be seen coursing along the superficial surface of the temporalis muscle?
Superficial temporal artery and vein.
What nerve supplies sensory innervation to the skin of the temporal region and can be seen on the superficial surface of the temporalis m.?
Auriculotemporal n.
What are the sole points of articulation between the mandible and skull?
Head of the Condylar Process
Mandibular Fossa of Temporal Bone
What type of joint is the TMJ?
A modified hinge synovial joint
What does the lateral thickening of the TMJ joint capsule form?
The Lateral Temporomandibular ligament
What divides the TMJ joint cavity into two compartments and provides a point of insertion for the lateral pterygoid muscle?
Articular Disc
What is the outer layer of the cranial dura mater continuous with?
Periosteum
What is the inner layer of the cranial dura mater continuous with?
Coverings of the spinal cord and cranial nerves
What is the term for the dural spaces filled with venous blood draining from the brain to the internal jugular v.?
Dural sinuses
What cranial veins pass directly through the skull?
Emissary veins
What branch of the anterior ethmoidal artery delivers blood supply to the anterior portion of the dura mater?
Anterior meningeal a.
Which arteries branch from the maxillary artery to supply blood to the middle of the dura mater?
Middle and Accessory meningeal aa.
What arteries branch from the ascending pharyngeal a, occipital and vertebral aa. to deliver blood to the posterior aspect of the dura mater of the brain?
Posterior meningeal aa.
What nerve innervates the anterior portion of the dura mater of the brain?
Meningeal branches of the ethmoidal nn. (V1)
What nerves innervate the middle portion of the dura mater of the brain?
Meningeal branches of V2 - Middle Cranial Fossa
Meningeal branches of V3 - With the middle meningeal a.
What nerves innervate the posterior portion of the dura mater of the brain?
Branches of C1-C2 from the posterior cranial fossa.
Where can the cereberospinal fluid be found?
Within the subarachnoid space
What structure in the brain produces the cerebrospinal fluid?
The Choroid Plexi
Where is the CSF resorbed into the venous blood?
In the arachnoid granulations
Where can arachnoid granulations often be found?
In lacunae (widenings of the dural sinuses)
What vessels transmit through the cribriform plate of the ethmoid bone?
Olfactory n. (CN I)
Anterior meningeal a.
Branch of Anterior Ethmoidal a.
Meningeal Branches of Anterior and Posterior Ethmoidal nn.
Branches of V1
What bones make up the anterior cranial fossa?
Frontal bone - Orbital Plate
Ethmoid Bone - Cribriform Plate & Crista Galli
Sphenoid Bone - Lesser Wing
What bones make up the middle cranial fossa?
Sphenoid Bone - Greater Wing and Body
Temporal bone - Squamous and Petrous portions
What bone does the optic canal pass through?
Sphenoid Bone
What vessels are transmitted through the optic canal?
Optic Nerve (CN II)
Ophthalmic a.
Where does the superior orbital fissure pass?
Between the greater and lesser wings of the sphenoid bone
What vessels are transmitted through the superior orbital fissure?
Oculomotor n. (CN III)
Trochlear n. (CN IV)
Opthalmic div. Trigemenal (V1)
Abducens n. (CN VI)
Ophthalmic v.
What vessels are transmitted through the foramen rotundum?
Maxillary div. of Trigemenal (V2)
Where can the foramen rotundum be found?
In the greater wing of sphenoid
Where can the foramen ovale be found?
The greater wing of sphenoid
What vessels are transmitted through the foramen ovale?
Mandibular div. of Trigeminal (V3)
Accessory Meningeal a.
Lesser petrosal n. (Branch of IX)
Where can the foramen spinosum be found?
The greater wing of sphenoid
What vessels are transmitted through the foramen spinosum?
Middle meningeal a.
Where can the foramen lacerum be found
Between sphenoid, petrous temporal, and occipital bones
What nerve crosses the foramen lacerum?
Greater petrosal nerve
Where can the carotid canal be found?
In the petrous portion of temporal bone
What vessels can be found in the carotid canal?
Internal carotid artery
Sympathetic nerve fibers
Where can the facial hiatus be found?
On the Petrous portion of the temporal bone
What vessels are transmitted in the facial hiatus?
Greater petrosal nerve (Branch of Facial VII)
From what cranial nerve does the lesser petrosal nerve branch?
Glossopharyngeal n. (IX)
What bones make up the posterior cranial fossa?
Temporal Bone - Posterior portion of petrous temporal bone
Occipital Bone
Where can the internal acoustic meatus be found?
In the petrous portion of temporal bone
What vessels are transmitted through the internal acoustic meatus?
Facial nerve (VII)
Vestibulocochlear nerve (VIII)
Where can the foramen magnum be found?
In occipital bone
What vessels are transmitted through the foramen magnum?
Fibers connecting brainstem and spinal cord
Spinal contributions to Spinal Accessory n. (XI)
What vessels are transmitted through the jugular foramen?
Glossopharyngeal n. (IX)
Vagus n. (X)
Accessory n. (XI)
Where can the hypoglossal foramen be found?
In the occipital bone
What vessels can be transmitted through the hypoglossal foramen?
Hypoglossal nerve (XII)
What separates the external auditory meatus from the middle ear?
Tympanic Membrane
What forms the ridge that can be viewed from the outside of the tympanic membrane?
Malleus
What artery supplies blood to the external surface of the tympanic membrane?
Deep auricular a. (From Maxillary a.)
What artery supplies blood to the internal surface of the tympanic membrane?
Anterior tympanic a. (From Maxillary a.)
Which divisions of the ear are air filled?
External and Middle Ear
What structure can be found on the roof of the middle ear?
Tegmen Tympani
What bone separates the middle ear from the middle cranial fossa?
Tegmen Tympani
What is the space just beneath the tegmen tympani?
Epitympanic Recess
What nerve innervates the tensor tympani muscle?
Trigeminal (V3)
What is located on the floor of the middle ear?
A thin layer of bone separating the middle ear from the jugular foramen and the carotid canal.
What can be found on the posterior wall of the middle ear?
Aditus Antrum
Pyramid
Foramen for Chorda Tympani n.
What is the aditus antrum?
The entrance to the mastoid air cells located on the posterior wall of the middle ear
Where is the entrance of the stapedius m?
Pyramid on the posterior wall of the middle ear
What nerve innervates the stapedius m?
Facial nerve (VII)
What structures can be found on the anterior wall of the middle ear?
Tensor Tympani m.
Entrance of Auditory Tube
Exit of Chorda Tympani n.
What structures can be found on the lateral wall of the middle ear?
Tympanic Membrane
What structures can be found on the medial wall of the middle ear?
Promontory
Oval window
Round window
Facial Nerve (VII)
Lateral semicircular canal prominence
What structure produces the promontory?
1st Basal Turn of Cochlea
Where is the lateral semicircular canal prominence located?
Epitympanic recess
What structure is covered by the foot plate of the stapes?
Oval Window
Where does the tensor tympani m. insert?
On the malleus
What is the significance of the mastoid air cells?
It increases the volume of the mastoid process without increasing the weight
Where can the osseous labytinth be found?
The Inner Ear
What structures make up the auditory portion of the osseous labyrinth?
Cochlea
Modiolus
What does the modiolus have located in its spiral canals?
Spiral Ganglion
Cochlear n.
What structures make up the vestibular portion of the osseous labyrinth?
Vestibule
(3) Semicircular Canals (Anterior, Lateral, Posterior)
What are the dilations of the semicircular canals called?
Ampulla
What are the branches of the facial n. near the ear?
Greater petrosal nerve
Nerve to Stapedius m.
Chorda tympani nerve
The greater petrosal nerve and chorda tympani nerve branch from which cranial nerve?
Facial n (VII)
What cranial nerves contribute to the tympanic plexus?
CN VII (Facial)
CN IX (Glossopharyngeal)
CN X (Vagus)
What nerve synapses with the otic ganglion after passing through the foramen ovale?
Lesser petrosal n.
What do the postganglionic parasympathetic fibers leaving the Otic ganglion, travelling with the Auriculotemporal n. innervate?
Parotid Gland
From what cranial nerve does the auriculotemporal n come from?
Trigemenal (V3)
What branch of the Vagus nerve supplies innervation to the external ear?
Auricular Branch
What gland is found superior lateral to the globe of the eye?
Lacrimal gland
Where does the fluid from the lacrimal gland collect after spreading across the cornea?
Puncta lacrimalis
What is the flow of fluid from the lacrimal gland to the nose?
Lacrimal Gland -> Puncta Lacrimalis -> Lacrimal Canaliculi -> Lacrimal Sac -> Nasolacrimal Duct -> Nose
What is the membranous lining of the bony nasolacrimal canal?
Nasolacrimal duct
What structures are found in the outermost layer of the eye?
Sclera
Cornea
What structures are found in the middle layer of the eye?
Choroid
Ciliary Body
Iris
What part of the eye contains the sphincter and dilator pupillae muscles?
Iris
What type of innervation (sympathetic or parasympathetic) is the sphincter pupillae m?
Parasympathetic
What type of innervation (sympathetic or parasympathetic) is the dilator pupillae m?
sympathetic
What structures are found in the inner layer of the eye?
Retina
Which chambers of the eye contain aqueous humor?
Anterior chamber
Posterior Chamber
In what direction can the lens be found in relation to the iris?
Posteriorly
In what direction can the vitreous body be found in relation to the lens and anterior retina?
Posteriorly
What divides the anterior and posterior chambers?
Iris
How do the anterior and posterior chambers communicate?
Pupil
What does the visual axis pass through in the eye?
The center of the cornea, lens, and fovea of the macular region of the retina
What nerve innervates the levator palpebrae superioris?
Superior Division of CN III - Oculomotor
What nerve innervates the superior rectus muscle?
Superior Division of CN III - Oculomotor
What nerve innervates the Medial Rectus muscle?
Inferior division of CN III - Oculomotor
What nerve innervates the Inferior rectus muscle?
Inferior division of CN III - Oculomotor
What nerve innervates the inferior oblique muscle?
Inferior division of CN III - Oculomotor
What nerve innervates the superior oblique muscle?
CN IV - Trochlear
What nerve innervates the lateral rectus muscle?
CN VI - Abducens
Where do the superior, inferior, medial, and lateral recti muscles originate from?
Annulus Tendineus
What structures pass through the annulus tendineus?
CN II - Optic
CN III - Oculomotor
CN VI - Abducens
Nasociliary n.
Ophthalmic a.
What structures pass superior to the annulus tendineus?
Lacrimal n.
Frontal n.
Superior opthalmic v.
Which oculo muscles produce a pure horizontal movement?
Medial and Lateral rectus
Which direction does the superior rectus muscle move the eye?
Up and medial
Which direction does the inferior rectus muscle move the eye?
Down and medial
Which direction does the inferior oblique muscle move the eye?
Up and lateral
Which direction does the superior oblique muscle move the eye?
Down and lateral
What muscle elevates the eye lid in conjunction with upward movements?
Levator palpebrae
What does the ophthalmic artery branch from?
Internal Carotid Artery
Where does the ophthalmic artery enter the orbit?
Optic Foramen
Where do the ophthalmic veins drain into?
Cavernous Sinus
Where does the optic nerve enter the orbit?
Through the optic foramen
Where does the oculomotor nerve enter the orbit?
Through the superior orbital fissure
Aside from innervating the medial and inferior rectus and inferior oblique muscles, what does the inferior division of CN III provide?
Provides preganglionic parasympathetic fibers to ciliary ganglion to innervate the ciliary body and sphincter pupillae muscles.
Where does the trochlear nerve enter the orbit?
Through the superior orbital fissure
What are the three major branches of the Ophthalmic division of the Trigeminal nerve?
Lacrimal nerve
Frontal nerve
Nasociliary nerve
What does the frontal nerve divide into after entering above the annulus tendineus?
Supraorbital n.
Supratrochlear n.
What nerves branch off of the nasociliary nerve?
Sensory Root through ciliary ganglion
Long ciliary nerve
Posterior ethmoidal nerve
Anterior ethmoidal nerve
Which branch of the nasociliary nerve passes through the ciliary ganglion but does not synapse?
Sensory root
What does the nasociliary nerve turn into after the anterior ethmoidal n. branch?
Infratrochlear n.
Where does the Abducens n. enter the orbit?
Through the superior orbital fissure
Which nerves run through the ciliary ganglion?
Sensory root from nasociliary n.
Sympathetic root from interal carotid plexus
Parasympathetic root from inferior division of oculomotor n.
Short ciliary nn.
Which nerves pass through but do not synapse in the ciliary ganglion?
Sensory root from nasociliary n.
Sympathetic root from internal carotid plexus
What are the seven bones that contribute to forming the margins and walls of the orbit?
Frontal
Zygomatic
Maxilla
Lacrimal
Ethmoid
Sphenoid
Palatine