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| Peripheral Nervous System |
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Definition
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| Part of autonomic nervous system; "fight or flight reactions"; helps the body when under stress. |
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| Part of autonomic nervous system; "rest and restore" function; controls body functions during normal activities. |
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| Nerves carrying messages from sensory organs to CNS. |
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| Nerves carrying messages from CNS to senses, muscles and other organs. |
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Definition
Three membranes protecting the brain:
Dura Mater
Arachnoid Membrane
Pia Mater
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Cerebrospinal Fluid (CSF)
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| Fluid that cushions the brain and spinal chord. |
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Definition
| Building blocks of nervous system: specialized cells that receive, conduct and transmit electrochemical signals. |
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Definition
Cell Body
Dendrites
Axons
Synapse |
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Definition
| Unipolar, Bipolar, Multipolar |
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Definition
have two processes that extend from each end of the cell body
- One is the axon and one the dendrite
- found in the special senses like olfactory epithelium (where smell stimuli are sensed), the retina (where visual stimuli are sensed), and the inner ear (where auditory stimuli and equilibrium are detected)
[image] |
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Definition
Have one axon and two or more dendrites.
Almost all neurons in CNS are multipolar. |
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Definition
- They provide mechanical support to neurons.
- Because of their non-conducting nature, the glial cells act as insulators.
- They can remove the foreign material and cell debris by neurons.
- They can repair the damaged areas of nervous tissue.
- Glial cells can take up and store neurotransmitters.
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Definition
Five types that are present in your CNS/Peripheral Nervous System are:
- Astrocytes
- Oligodendrocytes
- Microglia
Schwann cells
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Definition
The medulla oblongata is responsible for several functions of the autonomic nervous system. These functions include:[
1) Respiration:
2) Cardiac & Vasomotor Center:
3) Reflexes
- Coughing
- Sneezing
- Swallowing (palatal)
- Vomiting
- Gagging (pharyngeal)
- Jaw jerk (masseter)
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Term
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Definition
Contains the PONS and CEREBELLUM.
The pons regulates breathing through particular nuclei that regulate the breathing center of the medulla oblongata.
The cerebellum works to coordinate muscle movements, maintain posture, and integrate sensory information from the inner ear and proprioceptors in the muscles and joints. |
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Definition
The tectum in the midbrain has inferior and superior colliculi (visual processing).
The tegmentum has periaqueductal gray, substantia nigra, and red nucleus (movement and coordination).
A major function of the midbrain is to aid in movement as well as visual and auditory processing. |
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Definition
•Thalamus-relay and processing center for sensory information
•Hypothalamus-center controlling emotions, hormones and autonomic functions.
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Definition
•is also known as the cerebrum, and it consists of the largest part of the brain (it makes up about 85% of the total weight of the brain).
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•Telencephalon: Subcortical Structures
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Definition
- Regulation of behavior; memory, emotion
- Consists of mammillary bodies, hippocampus, amygdala, fornix, cingulate, septum
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Term
| Four Lobes of the Cerebrum |
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Definition
| Frontal, Parietal, Occipital, Temporal |
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Definition
| Separates right and left hemisheres |
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Definition
| Connects right and left hemispheres. |
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