Anatomy Flashcards
Name the bones of the facial skeleton
Inferior nasal concha Lacrimal Mandible Maxilla Nasal Palatine Vomer Zygomatic
The bones of the facial skeleton give attachment to
muscles of the tongue, mastication and pharynx
Muscle responsible for closing the eyelids
Orbicularis oculi
Muscle responsible for closing mouth/puckering lips
Orbicularis oris
Muscle responsible for wrinkling forehead/raising eyebrows
Frontal belly of occipitofrontalis
Muscle responsible for drawing scalp backwards
Occipital belly of occipitofrontalis
Muscle responsible for compressing cheeks against teeth
Buccinator
Muscle responsible for suckling in neonates
Buccinator
Nerve supply to the face is via what nerve?
Facial nerve - CN VII
What fibres are contained within the facial nerve
Motor
Sensory (special sensory)
Parasympathetic
Facial nerve innervates
muscles of facial expression
Branches of the facial nerve
Temporal Zygomatic Buccal Mandibular Cervical
Function of orbicularis oculi
closes eyelids
Function of occipitofrontalis
Frontal belly wrinkles forehead and raises eyebrows
Occipital belly draws scalp backwards
Function of orbicularis oris
closes mouth and puckers lips
Function of buccinator
compresses cheeks against teeth e.g. blowing
assistant muscle of mastication
Identifiable parts of the mandible
mental foramen
mandibular foramen
mylohyoid line
mental spines
Muscles of mastication
temporalis
masseter
later pterygoid
medial pterygoid
How do you differentiate between the medial pterygoid and masseter muscles at the mandible?
Medial pterygoid is attached to inner surface of mandible, masseter is attached to outer surface
Both pterygoid muscles attach to
the lateral pterygoid plate
Both pterygoid muscles are parts of the
sphenoid bone
What bones form the septum
Perpendicular plate of the ethmoid bone
Vomer
