Neuroanatomy Flashcards
What is the basic structural unit of the nervous system?
Neuron
Where is the cell body located?
In the gray matter of the spinal cord
Where are cell bodies outside the CNS found?
Ganglia
What type of neurons convey impulses to produce muscular or secretory effects?
Efferent Neurons
What are junctions where nerve impulses are transformed from one neuron to another?
Synapses
When axons and dendrites are grouped together what is it called?
Nerve Fiber
What is the conducting part of the neuron?
Axon
Where are all afferent synapses located?
Within the gray matter of the CNS
T/F
There are peripheral connections between sensory fibers.
False
There are NO peripheral connections
What type of receptors provide information from the exterior tissues of the body to inform the CNS of the conditions in the environment of the receptor?
Exteroceptors
What type of receptors are located throughout the body and are specific for providing information regarding discomfort and pain?
Nociceptors
What type of receptors provide information regarding the position and movement of the mandible and associated oral structures?
Proprioceptors
What type of receptors inform the CNS of the status of internal organs and processes such as blood flow, digestion, and breathing?
Interoceptors
What type of afferents go to all three subnuclei of the trigeminal nerve?
Tooth pulp afferents
What plays an extremely important role in monitoring impulses that enter the brainstem that can either enhance or inhibit impulses?
The reticular formation
What is responsible for almost all impulses from the lower regions of the brain to synapse before proceeding to the cerebral cortex?
Thalmus
What region of the brain is the major center for controlling internal body functions such as body temperature?
They hypothalmus
What region of the brain controls our emotional and behavioral activities?
The limbic structures
What region of the brain is most frequently associated with the thinking process?
Cortex
