Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Core Neuroanatomy Ob

QuestionAnswer
afferent (sensory) somatosensation - sensory experiences with skin, bones/muscles (touch, pain, temperature), special senses (vision, hearing, smell, taste, vestibular sense), visceral sensation
efferent (motor) instructions to targets outside CNS, to SKELETAL muscle, voluntary, reflex automatic and outside cortical control, this is GSE smooth muscle cardiac muscle and glands are in autonomic nervous system, reflex, GVE
primary afferent SENSORY neuron (axons or nerve fibers), brings info (AP) from PNS to CNS, cell body in sensory ganglion, all cell parts ipsilateral, always excitatory, transduce information about mechanical, thermal, & chemical states of body
divergence (parallel processing) in sensory systems having some neuron branch and go in different locations for different purposes
lower motor neuron (LMN) axon caries information (AP) from CNS to skeletal muscle (NMJ), cell body inside CNS, all parts ipsilateral, always excitatory (ACh), voluntary and reflex movement via LMN
upper motor neuron (UMN) cell body in brain, influences LMN, voluntary AND reflex movements via UMN
role of reflex arc neural pathway that controls a reflex. In vertebrates, most sensory neurons don't pass directly to brain, but synapse in spinal cord. This allows for faster reflex actions to occur by activating spinal MN without delay of routing signals through brain
voluntary movement cortical, contralateral cortex influences voluntary movement
reflex movement outside of cortical involvement and stereotypical response to given sensory input
paralysis absence of voluntary movement
neuromuscular junction specialized synapse between motor neurons and skeletal muscle, excitatory and cholinergic (ACh is the neurotransmitter), sometimes called myoneural junction
paresis weakness of VOLUNTARY movement
what does the CNS do process SENSORY info, issue MOTOR commands, coordinate HOMEOSTASIS, "higher processes"
sensory functions info to drive REFLEXES, conscious perception, emotional valence (not all stimuli pleasant), feedback for motor coordination
divergence having some neuron branch and go in different locations for different purposes (reflex and conscious responces)
conscious processing of somatosensory input contralateral to source of input
anesthesia lack of any conscious sensation
analgesia lack of conscious pain sensation
why CONSCIOUS? you prevent pain at the conscious level, but not in the pain pathways
vast majority of reflexes have at least one interferon, must draw 3
Created by: eew888