The Nervous System Introduction Flashcards
Parts that form the peripheral nervous system
- Roots
- Plexus
- Nerves
Parts that form the central nervous system
- Brain
- Spinal cord
The spinal cord of the cervical vertebrae are located at …….. level
More or less the same level
The spinal cord of the thoracic or dorsal vertebrae are located …… level
Above its level
The sacral roots are originated from the …. and ends at level of …… that will form the ….
Conus medullaris/ L1-L2/ cauda equina
Brain parts
Cerebrum
Cerebellum
Brainstem
Parts of the cerebrum
Cerebral hemispheres
Diencephalon
Parts of the brainstem
Midbrain (mesencephalon)
Pons ( Pons Varolli)
Medulla
Parts of the grey matter
- The soma of the neurons
- Glia, mostly astrocytes
- Vessels
Parts of the white matter
- Nerve fibers
- Mielin (is whiteish)
- Glia, mostly oligodendrocytes
- Vessels
Central nervous system parts
Grey matter
White matter
4 ventricles with cerebrospinal fluid
In the brain the grey matter is … and the white matter is ….
In the center/ at the periphery
In the spinal cord the grey matter is at the… and the white matter is …
Periphery/ at the center
Which parts of the central nervous system controls the opposite hemisphere?
Cortex and thalamus
Which part of the central nervous system controls the same hemisphere as where they are located?
Spinal cord and cerebellum
The information in order to reach the cortex need to pass to the …. Except the ….
Thalamus/ olfactory system
Main motor pathway
Corticospinal pathway
2 main somatosensory pathways
- Anterolateral system (spino-thalamic)
- Posterior column - medial lemniscus system
