EXAM 3 Flashcards
Name branches from the internal carotid artery that supply areas of the face?
SUPRAORBITAL; Internal carotid typically supplies the brain
supratemporal
The middle meningeal artery is a branch of what major artery?
Maxillary Artery
List components of the circle of Willis
Two internal carotids and two vertebral arteries
Which meningeal space is associated with the spinal cord but not the brain?
Epidural space
Describes the diaphragma sellae?
dura mater that separates the cerebral cavity from the hypophyseal fossa
Name the dural sinuses that drain into the confluence of sinuses.
Straight sinus and superior sagittal sinus
Which sinus receives blood from the superior sagittal sinus?
Transverse (right)
Cerebrospinal fluid circulates in which of the meningeal spaces?
Subarachnoid
the anterior spinal artery is an unpaired artery that supplies part of the upper region of the spinal cord. describe its origin?
Vertebral artery
Olfactory fibers making up the olfactory nerves pass from the olfactory mucosa to the olfactory bulbs through which structure?
cribriform
List structures that pass into the orbit through the superior orbital fissure.
CN III, IV, VI, and V1
the origin of the axons that make up the optic nerve originate from which cells?
Retinal ganglion cells
identify extrinsic muscles of the eye NOT supplied by the oculomotor nerve?
Superior oblique (CN IV) and lateral rectus (CN VI)
which cranial nerves supplies motor innervation to the sternocleidomastoid and trapezius muscles.
CN XI
List structures that exit the cranial cavity through the jugular foramen.
CN IX, X, XI
Which of cranial nerve supplies extrinsic and intrinsic muscle of the tongue?
CN XII: hypoglossal
The spinal accessory nerve exits the cranial cavity through which of the following foramen?
Jugular foramen
Parasympathetic fibers that control the shape of the lens and pupil are carried by which nerve?
CN III: occulomotor
The infraorbital, anterior superior alveolar, zygomatic, palatine, nasal, and posterior superior alveolar nerves are all branches of which nerve?
CN V2: maxillary branch
The mandibular branch of the trigeminal exits the cranial cavity through which foramen?
Foramen ovale
After passing through the body of the mandible, the mandibular branch of the trigeminal nerve exits the mandibular canal via which foramen?
Foramen ovale
What nerve exits the cranial cavity through the foramen rotundum?
Maxillary; V2
Cell bodies of sensory neurons carrying general sensory information from the dura of the middle and anterior cranial fossae, the external surface of the ear drum, and the anterior two-thirds of the tongue are located in which cranial ganglion?
Geniculate nucleus
Special visceral motor (SVM) modality supplies the stylopharyngeus muscle via which cranial nerve?
CN IX