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27 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The central nervous system is made up of __________ and __________
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The Brain
The Spinal Cord |
MOST IMPORTANT PARTS OF THE NERVOUS SYSTEM!
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What is the spinal cord's two main jobs?
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1. Takes the sensory information from the peripheral nervous system to the brain
2. Takes motor information from the brain to the effectors |
Required for responding to your surroundings.
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Name four effectors the motor information is carried to.
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1. Cardiac muscle
2. Skeletal muscle 3. Smooth muscle 4. Glands |
An example of one of the effectors responding to the motor information is your reflex.
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The brain gets input from what two parts of the central nervous system?
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1. The spinal cord
2. Nerves |
Think about the name of the system
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What does white matter consist of?
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Bundles of axons coated with a sheet of myelin
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What protein is white and what does it coat in the brain?
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What does gray matter consist of?
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Masses of cell bodies and dendrites
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How does messages travel throught the body?
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What is the meninges?
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Meninges are three continuous sheets of connective tissue covering both the brain and the spinal cord
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What part of the nervous system does the vaccine you got over the summer effect?
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Name the three meninges.
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1. Dura matter
2. Pia matter 3. Arachnoid |
One of them sounds like an insect
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The cells of the central nervous system are bathed in a fluid called ___________.
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Cerebrospinal fluid (CSF)
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Part of one of the major parts of the CNS + part of the other + liquid = answer
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What secretes the CSF?
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Choroid plexus
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This leads to the cerebrospinal canal
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How many pairs of spinal nerves arise along the spinal cord?
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31
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Prime and odd number
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These are "________" nerves because each contain both sensory and motor axons.
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Mixed
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Keyword in the question: BOTH
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All the sensory axons pass into the ___________ where their cell bodies are located and then on into the spinal cord itself.
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Dorsal root ganglion
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What side of the body is the spinal cord?
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All the motor axons pass into the ____________ before uniting with the sensory axons to form the mixed nerves
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Ventral roots
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This part leads from the belly side of the body to the spinal cord.
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The ___________ carry impulses to and from receptors and effectors.
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Interneurons
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What carries information by CROSSING OVER spinal tracts
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Impulses reaching the spinal cord from the ______ side of the body eventually pass over to tracts running up to the right side of the brain
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Left
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Keywords: PASS OVER
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The brain receives nerve impulses from how many pairs of cranial nerves?
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12
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Keywords: PAIRS
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What are the three main structures of the hindbrain?
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1. Medulla Oblangata
2. Pons 3. Cerebellum |
Modern Computers
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What does the Medulla Oblangata control?
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Involuntary actions
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You're doing it right now.
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What do the Pons do?
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Carries signals from various parts of the cerebral cortex to the cerebellum.
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It's the UPS of the brain.
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What is the cerebellum's main function?
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To coordinate body movements
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The motions of people with damage to their cerebellum are jerky and graceless.
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What two structures is the human forebrain made up of?
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1. The telencephalon
2. The diencephalon |
These two structures use the art of FALCONRY
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What are the three main parts of the Diencephalon?
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1.Thalamus
2. Lateral geniculate nucleus (LGN) 3. Hypothalamus |
The two twins and the brains of the family map cel buisness.
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What are the four cerebral hemispheres?
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1. Frontal
2. Occipital 3. Parietal 4. Temporal |
FRank the OX can apPARently be TEMPERable
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What are CT scans?
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X-rays of the brain from various angles
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They're used to find damage in the brain by comparing it to CT scans of normal brains.
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What are MRI scans?
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Imaging technique using powerful magnets to detect magnetic molecules in the body
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What does MRI stand for?
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What are MEGs?
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Imaging technique that detects the tiny magnetic fields created as individual neurons "fire" within the brain.
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What does MEG stand for?
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