OSS - Anatomy week of August 24 - Anatomy of the Skull, Cranial nerves
Coronal Sutures
?
Ethmoid Bone
?
Frontal Sinus
?
Greater wing of the sphenoid bone
?
Infraorbital Foramen
?
Lacrimal Bone
?
Maxillary Sinus
?
Mental Foramen
?
Pterion
?
Styloid process of the temporal bone
?
Supraorbital Foramen
?
Temporal bone, petromastoid part
?
Zygomatic Bone, Zygomatic Arch
?
Le Fort I Fracture
??
Le Fort II Fracture
??
Le Fort III Fracture
??
Area of increased bone thickness to strengthen the skull
Buttress
Olfactory, smell
CN I name and function
Optic, vision
CN II Name and function
Oculomotor, Adduction of eyes, pupillary constriction, upper eyelid movement
CN III Name and function
Trochlear, superior oblique control
CN IV Name and function
Glossopharyngeal, Wet sensory: posterior 1/3 of tongue, oropharynx, carotid body and sinus.
CN IX Name and function
Trigeminal nerve (Opthalmic V1, maxillary V2, and mandibular V3), facial sensation and muscles of mastication
CN V Name and function
Abducens, lateral rectus to abduct the eye.
CN VI Name and function
Facial Nerve, Dry movement: motor control of face. Wet Sensory: anterior 2/3 of taste, lacrimal, nasal, palatine, submandibular and sublingual salivary glands.
CN VII Name and function
Vestibulocochlear, hearing and balance
CN VIII Name and function
Vagus, sensory to lungs, pharynx, larynx, and most of the GI, tbh. Also controls the cardiac muscle, some smooth muscle, and the glands of the foregut and midgut. TL;DR: all the sensory inside your body below the tongue, all the GI glands, and the heart.
CN X Name and function
CN I Opening
Cribiform Plate
Fracture separating the inferior portion of the maxilla only
Le Fort I
Fracture separating maxilla and nasal complex from zygoma
Le Fort II
Complete separation of midface at the level of the superior orbits
Le Fort III
Nasal bone!
Most common fracture is
Pterion
On the lateral aspect of the skull, the junction of the parietal bone, squamosal suture and greater wing of the sphenoid is the ________, which overlies the middle meningeal artery.
Premature synostosis
Premature closure of a fontanelle is known as
Degeneration of bone along the sutures
Pyknodysostosis
Spongy layer of bone to get to the teeth and then exit through the bone to innervate the face
Trigeminal nerves pass through the ________ to get to the teeth
CN II opening, Optic Canal
What opening and what Passes through?
CN III, CN IV, VI, and CN V1 opening, Superior orbital fissure
What opening and what Passes through?
CN IX, CN X, CN XI, jugular vein - Jugular Foramen
What opening and what Passes through?
CN V2, foramen rotundum
What opening and what Passes through?
CN V3, Foramen ovale
What opening and what Passes through?
CN VII and CN VIII, internal acoustic meatus
What opening and what Passes through?
CN VII, Stylomastoid foramen
What opening and what Passes through?
CN XI, Foramen Magnum
What opening and what Passes through?
CN XII, hypoglossal canal
What opening and what Passes through?
Carotid canal, internal carotid artery
What opening and what Passes through?
Accessory, sternocleidomastoid and trapezius
XI Name and function
Hypoglossal, motor tongue
XII Name and function
Yellow = frontal sinus, Green = ethmoid sinus, blue= sphenoid sinus, Red = maxillary sinus
Yellow = _____ Green = ______, blue= _______, Red = _______