Card Set Information
Anatomy and Physiology Nervous system
divisions of nervous system
the sensory speech area is called ______ in the parietal lobe
the sense of smell arises deep in the ______
part of the brain that provides the centers for hearing?
posterior temporal lobes
this part of the brain provides vision
posterior occipital lobes
sensations of temperature, touch, pressure and pain in the skin arise in the ___?
interprets impulses from sense organs, initiating voluntary musclular movements, storing memory
a thin layer of gray matter called the ______ ______ contains nearly ______(%) of all neuron cell bodies in the nervous system
lissencephaly is also known as?
very deep grove is called a ___?
shallow to somewhat deep groove is called ___?
many ridges or convolutions
anterior portion of the forebrain is the largest part of the mature brain
contains cerebrum, pons, medulla oblongata
Name the 3 major cavities of the brain
carry motor impulses from the brain to skeletal muscles and coordinate muscle and control posture
begins in spinal cord and carries sensory impulses associated with the sensations of pain
the ascending and descending tracts are comprised of _______?
happens when a person touches something painful
each column consists of longitudinal bundles of myelinated nerve fibers that comprise major nerve pathways called?
thin cord of connective tissue descends to the upper surface of the coccyx
the spinal cord tapers to a structure called the ___?
water on the brain
slender column of nervous tissue that is continuous with the brain and extends downward
CSF in continulously reabsorbed into the blood through tiny fingerlike structures called?
humans secret _____ mL of CSF daily. only about ____ mL are in the nervous system at any time.
can increase pressure between the rigid bones of the skull and the soft tissues of the brain
Timy, reddish cauliflowerlike masses of specialized capillaries from the pai mater is called ______ and secrets ________
the ____ ventricle is in the brainstem, just anterior to the cerebellum
this ventricle communicates with the lateral ventricles through interventricular foramina in its anterior end
Bridge of axons that links the 2 cerebral hemispheres
the ______ ventricle is in the midline of the brain beneath the corpus callosum
the right cerebral hemisphere is the _____ventricle
the left cerebral hemisphere is the _______ventricle
interconnected cavities that lie in the cerebral hemispheres and brainstem
the subarchnoid space contains this clear, watery fluid called?
sheath around the spinal cord hat is not attached directly to the vertebra
the largest and most complex part of the nervous system
responds to stimulations by the motor neuron and produces the relfex of behavioral action
transmits nerve impulse from the brain or spinal cord out to an effector
serves as processing center...conducts nerve impulse from the sensory meuron to a motor neuron
transmits nerve impulse from the receptor into the brain or spinal cord
sensitive to a specific type of internal or external change
stroking the sole of the foot in infants results in dorsiflexion and toes that spread apart called the ________ reflex?
the normal plantar reflex results in ______- of toes
________ muscles in the linbs are the effectors of a withdral reflex
sensory receptors of a withdrawl reflex are located in the _______
the pateller reflex helps the body to maintain_____?
effector muscle of the patellar reflex is the _____?
patellar reflex employs only _______ and ______ neurons
effectors of a reflex arc are glands and ______?
automatic subconscious responds to external or internal stimuli
interneurons in a withdrawl reflex are located in the _______?
routes folloed by nerve impulses as they pass through the nervous system
seperates dura mater from bone of vertebra
thin, weblike middle membrain
contains cerebrospinal fluid
follows irregular contours of spinal cord surface
outermost layer of meninges
channel through which venous blood flows
band of pia mater that anchors dura mater to cord
ascending tract to the brain to give rise to sensations of temperature and pain
ascending tract to the cerebellum necessary for coordination of skeletal muscles
descending tract whose fibers conduct motor impulses to skeletal muscles
descending tract whose fibers conduct major impulses to sweat glands and muscles to control tone
ascending tract to the brain to interpret touch, pressure, and body movements
longitudinal bundles of nerve fibers within the spinal cord comprise major nerve pathways called _____?
white matter of the spinal cord is divided into anterior, lateral, and posterior _____-
this is in the gray commissure of the spinal cord contains cerebrospinal fluid and is continuous with the ventricles of the brain
this connects the gray matter on the left and right sides of the spinal cord
cell bodies of motor neurons are found in the _____- horns of the spinal cord
in a spinal cross section this posterior part of the gray matter resemble the upper wings of a butterfly
the groove that extends the length of the spinal cord posteriorly?
posterior median solcus
the bulge in the spinal cord that gives off nerves to the lower limbs is called ____?
the bulge in the spinal cord that gives off nerves to the upper limbs is called ________?
spinal cord gives rise to 31 pairs of ?
mases of gray matter deep within the cerebral hemispheres; produce dopamine
What disease demonstrates a degeneration of basal
What comprises the limbic system?
hypothalamus, thalamus, basal nuclei
What does the limbic system control?
emotional experience and expression
What is the tree-like pattern called in the cerebellum?
The periperal nervous system consistes of the nerves that branch from the CNS, it includes the _________ that arise from the brain and the _______ that arise from the spinal cord
_________fibers carry impulses outward and __________ fibers carry impulses inward
sensory fibers transmit impulses associated with the sense of smell
sensory fibers transmit impulses associated with the sense of vision
motor fibers transmit impulses to muscles that raise the eyelids, move the eyes, adjust the amount of light entering the eyes, and focus the lenses
motor fibers transmit impulses to muscles that move the eyes; some sensory fibers transmit impulses associated with proprioceptors
(IV) trochlear or (VI) abducens
sensory fibers transmit impulses associated with taste receptors of the anterior tongue, facial exprressions, tear glands, and salivary glands
sensory fibers transmit impulses associated with the sense of equilibrium and the sense of hearing
sensory finers tranmit impulses from the phayynx, tonsils, posterior tongue, and caroid arteries
sensory fibers transmit impulses from the pharynx, larynx, esophagus, and viscera of the thorax and abdomen
motor fibers transmit impulses to muscles of th esoft palate, phaynx, and larynx, the muscles of the neck and back
motor fibers impulses to muscles that move the tongue
sensory branch of a spinal nerve by which it joins the spinal cord
motor branch of a spinal nerve by which it attaches to the spinal cord
formed by the anterior branches of the first four cervical nerves, supply the muscles and skin of the neck
anterior branches of the lower four cervical nerves and the first thoracic nerves give rise to _________ ___________
formed by the last thoracic nerve and the lumbar, sacral, and coccygeal nerves