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Brain and Spinal Cord (LAB EXAM)
Terms in this set (87)
responsible for movement
Olfactory bulb and tract
sense of smell
Pre central gyrus
sensory reception (pain)
speech recognition and hearing
behind the temporal lobe
dividing line between motor and sensory parts of the brain
connects left and right brain halves/ hemispheres
Sagittal cut of the brain
Superior Sagittal Sinus
collects blood draining from brain tissue
outlines temporal lobe
separates the cerebrum from the cerebellum
Basal Ganglia (nuclei)
Regulates smooth body movement
space in-between brain halves
brain fluid production
where wings attach
stalk that goes to tail- tube that runs to the fourth ventricle
below the thalamus
responsible for thirst, hunger, mood, regulates body temperature, etc.
part of the limbic system. Nerve fibers in the brain that carries signals from the hippocampus to the mammillary bodies and then to the anterior nuclei of thalamus.
x-shaped structure do to the crossing of optic nerves.
hangs from the hypothalamus and master gland of body (controls all others)
posterior of the fornix/ below at tip of choroid process line makes melatonin (sleep)
columns; talks to cerebellum
reflex centers involving vision and hearing.
Motor and sensory
top of the spinal cord
Responsible for breathing
"tree of life" White matter of cerebellum.
It brings sensory and motor information to and from the cerebellum
tough connective tissue (protection)
cushions and reabsorbes CFS
contains blood vessels
hit location under knee cap to allow knee kick
Calcanea Tendon Reflex
mimics the walking position of your foot.
Achilles tendon planter flexes
makes toes curl
In children/ infants
makes toes spread
when someone tries to touch your eyeball and you blink
eye's pupil will constrict (get smaller)
Rubbing back of the neck and pupil dilates
When you are hungry or smell something.
conducts impulses in touch and movements
conducts impulses in touch and movements
conducts impulses in the brain for pain and sense (temperature and touch)
helps localize crude touch and pressure, the latter painful or temperature sensation. The spinoreticular tract, which is responsible for increasing our level of arousal/alertness in response to the pain or temperature.
conveys proprioceptive information from proprioceptors in the skeletal muscles and joints to the cerebellum.
conveys proprioceptive information from the body to the cerebellum.
starts at cortex and ends at the spine
Motor to arms
Starts at the cortex and ends at the spine
Motor to legs
controls head and eye movement
modifies and coordinates motor movements
Dorsal Root Ganglia
a bulge on the dorsal root that contains cell bodies
Posterior white column (funiculus)
refers to the area of white matter in the middle to posterior side of the spinal cord.
include axons that travel from the cerebral cortex to contact spinal motor neurons.
Posterior gray horn
receives several types of sensory information from the body, including fine touch, proprioception, and vibration.
Posterior median sulcus
a shallow groove along the midline of the posterior part of the spinal cord that separates the two posterior funiculi and is the external boundary of the posterior median septum
Lateral gray column (funiculus)
transmission of neural signals
Anterior white column (funiculus)
a longitudinal division on each side of the spinal cord comprising white matter between the anterior median fissure and the ventral root
Anterior Gray Horns
where the cell bodies of alpha motor neurons are located.
Anterior root of nerve
efferent motor root of a spinal nerve
Anterior median fissure
a groove along the anterior midline of the spinal cord that incompletely divides it into symmetrical halves — called also ventral median fissure.
injuries or conditions of the lumbar spine can affect this terminal end of the spinal cord.
bundle of spinal nerves and spinal nerve rootlets, consisting of the second through fifth lumbar nerve pairs, the first through fifth sacral nerve pairs, and the coccygeal nerve, all of which arise from the lumbar enlargement and the conus medullaris of the spinal cord.
gives longitudinal support to the spinal cord
Common fibular nerve
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