Face And Infratemporal Fossa Flashcards
Neuro cranium (cranial vault) houses the ___, ___ __, and ___ of the brain. Divided into ____ and __ __
Brain, meninges, cranial nerves, and vasculature
Calvaria (lid) and cranial base
Singular cranial bones 4
Frontal, ethmoid, sphenoid, occipital
Paired cranial bones 2
Temporal and parietal
What is viscerocranium
Facial skeleton
What are singular facial bones, 3
Mandible, ethmoid, vomer
What are the paired facial bones 6
Maxilla Inferior nasal concha Zygomatic Palatine Nasal Lacrimal
Which bones are at the base of the skull 6
Maxilla, palatine bone, vomer, sphenoid bone, temporal bone, occipital bone
Muscles of facial expression. Embedded in the ___ tissue of the __, ___, and ___. Attach to ___ or ___.
SQ, face, scalp, neck. Bone or fascia
Muscles of facial expression
Insert into ___. Exert effects by ____/___ skin of the face. Muscles surrounding the mouth, nose, and eyes act as ___ and ___ which open and close them
Skin. Pulling/moving. Sphincters and dialators
What does the occipitofrontalis frontal belly do
Elevates eyebrows and wrinkles skin of forehead
Orbicularis occuli
Palpebral part ___ eyelids ___
Orbital part ___ eyelids ___
Closes, gently
Closes, tightly
Orbicularis oris
Closes ___ protrudes ___
Mouth, lips
Buccinator
Active in ___. Keeps cheek __ and prevents it from being injured while ___
Smiling. Taut. Chewing
Platysma: tenses skin of __ __ and __
Inferior face and neck
Facial nerve
CN __
___ nerve to muscles of ___ ___. 5 divisions:
Function is strictly:
VII
Motor, facial expression
Temporal, zygomatic, Buccal, mandibular, cervical
Trigeminal nerve, CN ___
CN V1: ___ nerve. ___ to ___ 1/3 of the face
V
Ophthalmic. Sensory, upper
CN V2: ___ nerve
___ to ___ 1/3 of the face
Maxillary
Sensory to middle
CN V3: ___ nerve
____ to ___ 1/3 of face, ___ to muscles of ___
Mandibular
Sensory to lower
Motor to muscles of mastication
Mandibular nerve gives ___ supply to __ nerves. Two are ___ and ___
Motor, 8, stylohyoid and digastric
Bell’s palsy
Injury to CN ___ or its branches causes paralysis to same or all ___ facial muscles.
Results in weakness or __ ___ of ability to move ___ side of the face.
Ex ___ eyelid, __ of mouth
Thought to be of viral origin in ___ cases
VII, ipsilateral
Total loss, one
Drooping, corner
Some
___ neuralgia/tic douloureux
___ disorder of root of CN ___
Results in ___ ___ ____
Thought to be caused by compression of ___ __
Trigeminal
Sensory, V
Stabbing facial pain
CN V
Blood supply of the face
Arterial supply derived from branches of the ___ ___ __
Facial artery goes to ___ artery. Supplies ___ part of face.
Facial artery is Where you have what
Superficial temporal artery is where what
Maxillary artery
External carotid artery
Angular. Anterior. Facial pulse
Temporal pulse
Venous drainage
3 veins
___ area of the face
Facial vein
Retro mandibular vein
Posterior auricular vein
Danger
What is the danger area of the face
Triangle from corners of mouth to bridge of nose. Because of blood supply of nose possible to get retrograde infections from this area to spread to vein getting brain abscesses, meningitis, and thrombosis.
What is in the parotid region
___ gland
Branches of __ nerve
___ duct
___ muscle (muscles of ____)
Parotid
Facial
Parotid
Master, mastication
Temporal region
Lateral side of head/temple
___ muscle (muscle of ____)
___ ___ artery and vein
____ nerve
Temporalis (mastication)
Superficial temporal
Auriculotemporal
Infra temporal fossa
Muscles of ___: ___ and ___ ___
Blood vessels: ___ artery and its branches
Nerves: branches of CN ___, ___ ganglia
Mastication. Medial and lateral pterygoid
Maxillary artery
V3, parasympathetic
Muscles of mastication. All receive motor input from CN ___ (___ division)
V3, mandibular
Branches of maxillary artery: 3
Inferior alveolar artery
Middle meningeal artery
Sphenopalatine artery
Nerves of the infratemporal fossa
CN V2
__ ___ nerves and ___ nerve.
CN V3
5 nerves
Superior alveolar, infraorbital
Auricolotemporal nerve, inferior alveolar nerve, lingual nerve, Buccal nerve, mental nerve
Area that is deep to zygomatic and where all muscles of mastication go through
Infratemporal fossa
Infratemporal fossa is near pterygoid ___, __ and __ plates, and pterygoid __
Canal, medial and lateral, hamulus
Which 3 muscles elevate jaw
Masseter, temporalis, medial pterygoid
Which muscle retracts jaw
Lateral pterygoid
Which muscles protract jaw
Masseter and medial pterygoid
Which artery supplies external dura
Middle meningeal
If middle meningeal artery ruptures where does it bleed and what does it lead to
Epidural space, increased ICP
What runs into mandible and out through mental foramen
What 2 things run into mandible
Inferior alveolar nerve
Inferior alveolar artery and nerve
____ artery supplies nasal cavity
Sphenopalatine
What supplies teeth
Inferior alveolar artery and nerve
What provides sensation to mid face and temple
Infraorbital nerve
Lingual nerve derives from which nerve
Facial nerve
How Buccal nerve is different from Buccal branch
Buccal nerve is separate, it has sensory function
Buccal branch from facial nerve, is motor
Mental nerve is a branch of what
Inferior alveolar nerve
