Match the following terms by placing the number that identifies its meaning A. N

Question

Match the following terms by placing the number that identifies its meaning A. Non-nervous fibrous tissue of the spinal cord that extends inferiorly from the conus medullaris to the coccyx. 1. Neuron B. The great commissure of the brain between the cerebral hemispheres. 2. Cell body C. Brain posterior to the medulla oblongata and pons. 3. Dendrite D. Terminal branch of an axon that releases neurotransmitter. 4. Myelin sheath E. Connects the brainstem with the cerebrum. 5. Node of Ranvier F. A space on a myelinated axon between individual Schewann cells. 6. Internode G. Structural, functional unit of the nervous system. 7. Synapse H. Main relay center for sensory impulses to the brain. 8. Axon terminal I carries sensory electrical towards the cell body. 9. Synaptic vesicles J. Smallest part of the brainstem. 10. Presynaptic K. Junction between a neuron and a second cell. L. The tapered end of the spinal cord. 11. Action potential M. Multilayered lipid and protein covering of nerve cell. 12. Corpus callous N. Brain portion contiguous with the spinal cord. 13. Dincephalon O. An electrical signal that propagates along axon membrane. 14. Thalamus P. Nerve cell soma that contains genetic material. 15. Midbrain Q. A tail-loke roots of spinal nerves at the end of spinal cord. 16. Medulla R. Myelinated wrappings on a single axon. 17. Filum terminal S. A neuron that propagates nerve impulse toward a synapse. 18. Conus T A cavity in the brain filled with cerebrospinal fluid. 19. Cauda 20 Cerebellum

Explanation / Answer

A. Non-nervous fibrous tissue of the spinal cord that extends inferiorly from the conus medullaris to the coccyx - 17. Filum terminale
B. The great commissure of the brain between the cerebral hemispheres - 12. Corpus callosum
C. Brain posterior to the medulla oblongata and pons - 15. Midbrain
D. Terminal branch of an axon that releases neurotransmitter - 8. Axon terminal
E. Connects the brainstem with the cerebrum - 20. Cerebellum
F. A space on a myelinated axon between individual Schwann cells - 5. Node of Ranvier
G. Structural, functional unit of the nervous system - 1. neuron
H. Main relay center for sensory impulses to the brain - 14. thalamus
I. Carries sensory electricals toward the cell body - 3. dendrite
J. Smallest part of the brain stem - 15. Midbrain
K. Junction between a neuron and a second cell - 7. synapse
L. The tapered end of the spinal cord - 18. Conus medullaris
M. Multilayered lipid and protein covering of nerve cell - 4. Myelin sheath
N. brain portion contiguous with the spinal cord - 20. cerebellum
O. An electrical signal that propagates along axon membrane - 11. Action potential
P. Nerve cell soma that contains genetic material - 2. cell body
Q. A tail-like roots of spinal nerves at the end of spinal cord - 19. cauda equina
R. Myelinated wrappings on a single neuron - 4. Myelin sheath
S. A neuron that propagates nerve impulse toward a synapse - 10. presynaptic neuron
T. A cavity in the brain filled with cerebrospinal fluid - 9. synaptic vesicle

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