Face 1 Flashcards
cranial nerves ___, ____, V, and ____ run through the superior orbital fissure
III, IV, V1, VI
CN II runs through the ____ ____
optic canal
CN ____ runs through the inferior orbital fissure
V2
The SCALP is composed of what layers?
skin connective tissue aponeurosis loose aerolar connective (allows you to move your scalp) periosteum
the occipital, posterior auricular, and superficial temporal artery branch from the _______ ______ artery
external carotid
supraorbital and supratrochlear artery branch from the ______ ______ artery
internal carotid
superficial termporal artery and maxillary artery are the ends of the _______ ______
external carotid
the middle meningeal and inferior alveolar artery branch from the _________ artery
maxillary
maxillary vein and superficial temporal vein become the __________ vein
retromandibular
what is the danger triangle of the face? why important?
infections from the face can spread to dural sinuses in the brain.
the cavernous sinus drains the brain. it is connected to the ______ vein via the _____, _____, and pterygoid plexus
facial
superior and inferior ophthalmic veins
facial (CN VII) = ______ to the muscles of the face expression and _____ to the anterior 2/3 of the tongue
motor
taste
facial CN VII travels through the __________ gland
parotid
think of the hand fingers for the branches of CNVII. Two Zebras Bit My Cockatoo. The last part of CN VII is the ______ _____, which is taste in the anterior 2/3 of the tongue
Temporal Zygomatic Buccal Mandibular Cervical chorda tympani
muscles of facial expression are CN ____ and muscles of mastication/chief sensory muscles of CN ____
VII
V
Bells palsy is injury to the _________. It causes paralysis of facial muscles.
facial nerve
CN V has ___ branches: V1, V2, V3. These correspond to:
V1 - ophthalmic (Sensory)
V2 - maxillary (sensory)
V3 - mandibular (sensory and mastication)
CN V3 is responsible for __________
muscles of mastication
muscles of mastication are ______, masseter, medial pterygoid and ___________
temporalis
masseter
medial pterygoid
lateral pterygoid
CN nerves V and VII both have a ________ branch
mandibular
the temporalis ______ the mandible, which closes the mouth
elevates
the masseter elevates the ______ (side to side grinding)
mandible
the medial ptergoid elevates the mandible, whereas the lateral pterygoid ____ the mandible
depresses (and protrudes)
the TMJ is a ____ joint with an articular disc and a loose _____ capsule (over the outside)
hinge
synovial
what does the TMJ articulate with? the mandibular fossa of temporal bone, the ______, and the articular tubercle of the ________
mandibular condyle
temporal
there are ____ salivary glands (parotid, sublingual, submandibular)
3 pairs
CN VII, retromandibular vein, and ___________ artery are the structures in the parotid
external carotid
incisors are used for _____, canines for ____, premolars/molars for ______
tearing
cutting
grinding/crushing
blood vessels and nerves are located in the _____ of the tooth
tooth
maxillary teeth sensation are supplied via CN ____
V2
mandibular teeth are supplied by CN _____
V3
the hard palate is formed by the ______ and ______ bones
palatine process of maxilla and palatine bones
the soft palate is ________ and moveable (moves posteriorly in swallowing)
fibromuscular
deep lingual veins lie ___________. (sublingual meds)
under the tongue
vallate papillae lie at the back of the ______, filliform are in the ______, and fungiform are at the _______
tongue
middle
front
tongue muscles are both ______ and _______ and are innervated by CN ____
intrinsic (origin and insertion is in the tongue itself)
extrinsic (attachment somewhere else and to the tongue)
XII (hypoglossal)
CN VII (chord tympani) innervates the anterior 2/3 of the tongue for _____
taste
CN V3 innervates the anterior 2/3 of the tongue for __________
general sensory (bit my tongue, temp, etc)
the posterior 1/3 of the tongue is innervate by CN ____ for general sensory and taste
IX
all motor for the tongue is CN ____
XII
pharynx is subdivided into the: _______, ______, and ______
nasopharynx - posterior to nose (has opening for eustachian tube)
oropharynx - posterior to mouth
laryngopharynx - posterior to larynx
there are ____ sets of tonsils. They are the _____, adenoids, ____, and tubal
palatine
lingual
palatine and lingual tonsils are located int the _______
oropharynx
the nose is primarily _____ cartilage. The choanae are the openings into the _______
hyaline
nasopharynx
the nasal septum is composed of the ___________ of the ethmoid and vomer and __________
perpendicular plate
septal cartilage
conchae (turbinates) increase the ________ of mucosa exposed to air and increase ________
surface area
air turbulence
nasal meatuses are grooves under each _______ for drainage
conchae
paranasal sinuses are air-filled openings in the _______, they _____ the skull and warm/moisten air
skull
lighten
maxillary sinus is the most commonly _______ sinus (floor is close proximity to the teeth)
infected
the paranasal sinuses are:
frontal, sphenoidal, ethmoid, maxillary