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Neuro anatomy

QuestionAnswer
define neuron fundamental unit of nervous tissue each neuron is comprised of a cell body, dendrites, and an axon
define axon transmits impulses away from the cell body
define dendrite fiber branches that receive impulses from other parts of the nervous system and bring those impulses toward the cell body
define myelin white fatty substances found in the CNS and PNS that increases the speed of nerve impulse conduction
define gray matter areas that mostly contain unmyelinated fibers and cell bodies are the gray matter (aka cerebral cortex)
define white matter areas that mostly contain myelinated fibers
define synapse where the transmission of impulses from one neuron to another occur
define tract group of myelinated nerve fibers within the CNS that carry a specific type of information from one area to another
function of spinocerebellar
function of spinothalamic pain pathway; small diameter, slow conducting fibers both myelinated and unmyelinated. Cross at level of entry ascend to the ventro postereolateral nucleus
function of dorsal columns
function of corticobulbar
function of corticospinal
function of rubrospinal
function of vestibulospinal
function and strcuture of senory nuerons carry afferent impulses to the spinal cord
function and strcuture of motor neurons conducts impulses away from the spinal cord
location and function of exteroreceptors located superficially on body surfaces to recieve external stimuli from the environment through the skin and subcutaneous tissue. Perception of pain, light touch, and pressure.
location and function of proprioceptors deep sensation from stimuli from muscles, tendons, ligaments, joints, and fascia. Detect position sense, awareness of joints at rest, movement awareness (kinesthesia), and vibration.
location and function of intereceptors located within the body to detect stimuli of the internal environment. Perception of things such as BP, and O2 levels
what are the combined cortical sensations
location and primary function of the frontal lobe
location and primary function of the temporal lobe
location and primary function of the parietal lobe
location and primary function of the occipital lobe
what is the role of the basal ganglia during volitional movement
location and functions of the cerebellum
location and functions of the brainstem
what are the primary structures responsible for brain protection
describe blood supply to the brain
describe the structure of the spinal cord
list the cranial nerves and their functions
Created by: bsa8581