Cranial Nerves
This cranial nerve is in charge of transmitting information to the brain regarding a person's vision
What is CN II (optic nerve)?
This part of the neuron receives signals from other neurons.
What are dendrites?
This tracts connections are intrahemispheric; both within and between lobes
What are association tracts?
This is a dense composition of axons running in many different directions.
What is white matter?
This artery supplies blood to the lateral surfaces of the temporal and parietal lobes, as well as the frontal lobe. This blood supply includes the cortical regions associated with speech, language, and hearing skills.
What is the middle cerebral artery (MCA)?
This cranial nerves function includes helping a person chew and clench the teeth.
What is CN V (trigeminal nerve)?
This projection transmits electrical impulses away from the neuron's cell body.
What is the axon?
These tracts are from the cortex to basal ganglia, and from the cortex to subthalamic nucleus
What are commissural tracts?
This appears as paired posterior horns and paired anterior horns.
What is spinal cord gray matter?
This artery supplies blood to the medial portions of the frontal and parietal loves, such as the corpus callosum, and portions of basal ganglia structures.
What is the anterior cerebral artery (ACA)?
This cranial nerve consists of moving the muscles that produce facial expressions, sensation of the external ear, and the sensation of taste.
What is CN VII (facial nerve)?
This substance insulates the axon and speeds up signal transmission.
What is myelin?
These tracts are interhemispheric, from a specific area of one hemisphere to similar area of the other hemisphere.
What are commissural tracts?
This part of the spinal cord is defined by the anterior median fissure.
What is the anterior midline?
This artery is a major branch of the aortic arch, supplying blood to the arm on the same side as the artery.
What is the subclavian artery?
This cranial nerve receives information from the throat, tonsils, middle ear, and back of the tongue. It also has a role in the sensation of taste on the back of the tongue.
What is CN IX (glossopharyngeal nerve)?
This part of the neuron releases neurotransmitters into the synapse.
What are axon terminals?
These tracts consist of corticobulbar, corticospinal, and the corticothalamic.
What are the descending projection tracts?
These fibers ascend from posterior horn cells in the spinal cord and run primarily in the posterior white matter columns lateral to the posterior median septum.
What are sensory fibers?
This artery continues to ascend on the ventral surface of the medulla until it joins with the vertebral artery from the other side.
This cranial nerve provides function to some muscles of the neck such as the sternocleidomastoid and trapezius muscles that allow a person to rotate, extend, and flex the neck and shoulders
What is CN XI (spinal accessory nerve)?
What is the synaptic cleft?
These tracts consist of the posterior column/medial lemniscus, anterolateral, and the thalamocortical.
What are the ascending projection tracts?
These are attached to each segment of the spinal cord.
What are spinal nerves?
This artery provides the posterior circulation for the cerebral hemispheres by issuing the posterior cerebral artery.
What is the basilar artery?