head and neck anatomy Flashcards
What muscles does the trigeminal nerve innervate?
Muscles of mastication
Mylohyoid
Anterior belly of digastric
Tensor tympani
Tensor palati
What structures pass through the foramen ovale?
Remember OVALE
O - tic ganglion
V3 - mandibular branch of the trigeminal nerve
A - ccessory meningeal artery
L - lesser petrosal nerve
E - missary veins
What supplies the external ear canal?
The auriculotemporal nerve
Which structure does the middle thyroid vein drain to?
The internal jugular vein
What nerve supplies all the extrinsic and intrinsic muscles of the tongue, and with what exception?
The hypoglossal nerve. The vagus nerve innervates the palatoglossus.
What vessel runs laterally to the inferior parathyroid?
The common carotid artery
What runs along the lateral wall of the cavernous sinus?
Oculomotor nerve
Trochlear nerve
Ophthalmic nerve
Maxillary nerve
What is contained within the cavernous sinus?
Internal carotid artery
Abducens nerve
What are the three branches of the facial nerve?
Greater petrosal nerve
Nerve to stapedius
Chorda tympani
What are the branches of V3 (the mandibular nerve?)
Auriculotemporal nerve
Lingual nerve
Inferior alveolar nerve
Nerve to. mylohyoid
Mental nerve
What are all of the branches of the aorta?
Inferior phrenic
Coeliac
Superior mesenteric
Middle suprarenal
Renal
Gonadal
Lumbar
Inferior mesenteric
Median sacral
Common iliac
What structures pass through the orbital fissure?
Live Frankly To See Absolutely No Insult
Lacrimal
Frontal
Trochlear
Superior division of oculomotor
Abducens
Nasociliary
Inferior division of the oculomotor nerve
What lies posterior to the carotid sheath at the level of C6?
Cervical sympathetic chain
At what level does the inferior thyroid artery enter the thyroid gland?
C6
what nerves can be injured in a carotid endarterectomy?
Hypoglossal nerve
What are the branches for the cerebral portion of the carotid artery?
Only Press Carotid Arteries Momentarily
Ophthalmic
Posterior communicating artery
Choroidal
Anterior cerebral
Middle cerebral
What nerves are at risk in a posterior triangle lymph node biopsy?
The accessory nerve
What nerve is at risk in a thyroidectomy?
The laryngeal nerve
What nerve is at risk in a carotid endarterectomy?
The hypoglossal nerve
Which muscle is penetrated by the parotid duct?
The buccinator
What does the buccinator branch of the facial nerve supply?
Zygomaticus minor
Buccinator
Levator anguli oris
Orbicularis
Nasalis
Where can you find the sympathetic chain?
Posterior to the carotid sheath at the level of C6
How many collateral circulations of the SVC?
Four
1) Azygous venous system
2) Internal mammary venous pathway
3) Long thoracic venous system with connections to the femoral vein or connections to the vertebral veins
Which cranial nerves carry parasympathetic fibres?
1973
X
IX
VII
III
Which nerve provides sensory innervation to the anterior 2/3 of the tongue?
The trigeminal nerve
What is the space called between the vocal cords?
Rima glottidis
What structures pass through the parotid gland?
The facial nerve
The retromandibular vein
The auriculotemporal nerve
The external carotid artery
