Head and Neck - 2nd Evals (2019) Flashcards
Obicularis oris
lips
*The orbicularis oris is the primary sphincter muscle of the lips and has a complex structure.
Floor of the mouth
V3
Child trips, laceration would be in
upper lip
Overly tight orbicularis oris
underbite deformity
Emissary vein-
loose areolar CT
Not supplied by hypoglossal
palatoglossal
Palatine tonsil
oropharyngeal isthmus
Right hypoglossal damage
deviate towards right
Where supratrochlear n originate-
V1
General sensation of tongue-
trigeminal n
Sphincter mm of eye
orbicularis oculi
Tongue peripheral damage-
goes towards no damage
Facial artery
arises from external carotid artery
Uvula-
deviates to stronger side
Carries taste fibers from tongue
chorda tympani
Overly tight orbicularis oris
retracted maxillary part
Muscle of mastication
medial pterygoid mm
Lingual n post div
V3
Auriculotemporal n arises from
V3
Inferior thyroid drains to-
brachiocephalic v
Occlusal plane of upper and lower lip marker-
linea alba
Supratrochlear n originates in-
V1 (ophthalmic)
Tonsil of oropharyngeal isthmus part
pharyngeal tonsil
Anterior to infratemporal fossa
maxilla