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Nervous System
Nervous System - ANATOMY ARBO
69
Anatomy
12th Grade
12/12/2012

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Term
Neuron
Definition
What is the fundament unit of structure and function for the nervous system?
Term
myelin sheeth
Definition
axons have a lipid cover called ______.
Term
Schwann cells
Definition
What cells produce the myelin sheath?
Term
node of Ranvier
Definition
What are the gaps called in the myelin on the axon tail called?
Term
-70 milivolts
Definition
What is the voltage during resting potential and action potential of a neuron?
Term
dendrite, axon, cell body
Definition
What are the parts of a neuron?
Term
movement of the tongue and speaking
Definition
What is the function of the hypoglossal nerve?
Term
synapse
Definition
What is a specialized connection with other cells?
Term
The peripheral nervous system (PNS) and central nervous system (CNS)
Definition
What are the main divisions of the nervous system?
Term
Diffusion of neurotransmitters across the cleft (gap)
Definition
Transmission across a synapse is achieved mainly by _______.
Term
Cerebrum
Definition
Higher thought processes for learning and memory are primarily in the _______.
Term
Occipital
Definition
The centers of vision are located in the __________ lobe of the cerebrum.
Term
Vestibulocochlear
Definition
Which cranial nerve is associated with balance and equilibrium?
Term
swallowing
Definition
What function is the glossopharyngeal nerve associated with?
Term
inhibits the digestive tract; dilates the bronchi; accelerates the heartbeat (fight or flight)
Definition
Which if the following are characteristic of the sympathetic nervous system?
Term
both ascending and descending fiber tracts are present
Definition
Which of the following statements are true about the spinal cord?
Term
connects the two hemispheres of the brain and transfers information from one hemisphere to the other
Definition
What is the role of the corpus callosum?
Term
sensory integration
Definition
What is a primary site of the thalamus?
Term
Dorsal
Definition
Sensory nerves (fibers) are located on which side of the spinal cord?
Term
Medulla oblongata
Definition
The spinal cord is contiguous superiorly with the
Term
part of the brain stem and controls autonomic functions
Definition
What is the medulla oblongata?
Term
negative
Definition
The resting potential indicates that the inside of the neuron is __________ compared to the outside.
Term
dendrites and cell body
Definition
What area(s) of the neuron generate signals that open the voltage-gated channels in the first part of the axon, thus causing an action potential?
Term
Large diameter and myelinated
Definition
The fastest conduction of an action potential would occur in an axon with which of the following characteristics?
Term
controlling functions of internal organs
Definition
What is the main function of the vagus nerve?
Term
node of Ranvier
Definition
During saltatory conduction, a nerve impulse jumps from one _________ to another.
Term
Cerebrospinal fluid; electrolytes; sodium and potassium
Definition
____________, secreted by the choroid plexes, is comprised of _________, specifically _____ and _____.
Term
relay
Definition
The diencephalon is the __________ station of the brain.
Term
central nervous system
Definition
______ is made up of the brain and the spinal cord.
Term
corpus callosum
Definition
The two hemispheres of the cerebral cortex are richly interconnected by the
Term
repolarization
Definition
The stage in an action potential that immediately follows depolarization is ________.
Term
Primary somatosensory area
Definition
The frontal lobe includes all of the following except:
Term
Skeletal muscles
Definition
The somatic system contains nerves that control_________
Term
spinal cord
Definition
A major part of the central nervous system that conducts sensory and motor impulses to and from the brain to the body
Term
ventricle
Definition
Which does not describe synaptic?
Term
brain stem
Definition
What controls primitive function?
Term
longitudinal fissure
Definition
What is the valley between the sides of the brain called and also separates the left and right hemispheres?
Term
2 lateral ventricles, third ventricle, fourth ventricle
Definition
What are the four ventricles in the brain?
Term
aqueduct
Definition
What is the connection between the third and fourth ventricle called?
Term
ICP (intra cranial pressure)
Definition
What does CSF create?
Term
transverse fissure
Definition
What is between the cerebellum and the cerebrum?
Term
deep groove in the brain
Definition
What is a fissure?
Term
not so deep grooves in the brain
Definition
What is a sulcus?
Term
a "hill" on the brain
Definition
What is a gyrus?
Term
lateral sulcus
Definition
What sulcus separates the temporal lobe from parietal lobe and frontal lobe?
Term
central sulcus
Definition
What sulcus separates the frontal lobe and parietal lobe?
Term
located in the frontal lobe and controls motor speech and processes information
Definition
Where is Broca's area located and what does it control?
Term
located halfway in parietal lobe and halfway in temporal lobe; controls sensory speech
Definition
Where is Wernicke's area and what does it control?
Term
temporal lobe
Definition
What lobe is hearing processed in?
Term
occipital lobe
Definition
What lobe is sight processed in?
Term
Cerebral Spinal Fluid; located in brain and spinal cord; protects brain
Definition
What is CSF, where is it located, and what does it do?
Term
dendrites of the cells in the body
Definition
What is grey matter?
Term
have lipids surrounding parts of the neurons; lipid is called myelin which makes it white
Definition
What is white matter?
Term
nerves
Definition
______ makes up the Peripheral Nervous System (PNS).
Term
opposite of sympathetic
Definition
What is parasympathetic?
Term
smell
Definition
Olfactory nerve controls _____?
Term
vision
Definition
Optic never controls _____?
Term
eye movements of pupil and eyelid
Definition
Oculomotor controls ______?
Term
oblique eye; diagonal movements of the eye
Definition
Trochlear controls _______?
Term
chewing and facial touching
Definition
Trigeminal nerve controls ______?
Term
lateral eye; side to side movements of the eye
Definition
Abducens nerve controls ______?
Term
expressions, tears, salivating
Definition
Facial nerve controls _____?
Term
head and neck muscles
Definition
Cranial Accessory nerve controls _____?
Term
the foramen of the vertebrae
Definition
Where does the spinal cord go through on the vertebrae?
Term
Ventral
Definition
What side are the motor neurons (fibers) on?
Term
interneuron
Definition
Where do the motor fibers and sensory fibers connect?
Term
A neuron that transmits impulses between other neurons
Definition
What is a interneuron?
Term
central canal containing CSF
Definition
What is the hallow tube in the middle of the vertebrae called?
Term
bump/clump of nevers
Definition
What is a ganglion?
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