Summary: Neuroanatomy
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Lecture 1
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Neurons communicate with each other, where does the transmitting of the signal take place?
At the synaptic cleft. -
Neurons innervate muscles, where does the transmitting of the information to the muscle take place?
At the neuromuscular junction (last neuron ends on one fiber of muscle). -
The cranial nerves belong to which nervous system (anatomical)?
The peripheral nervous system.
EXCEPT: olfactory (I) & optic (II) nerve. -
Which cranial nerves exit from the pons?
- Trigeminus (V).
- Abducens (VI).
- Facialis (VII).
- Vestibulocochlearis (VIII).
- Trigeminus (V).
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Which cranial nerves exit from the medulla oblongata?
- Glossopharyngeal (IX).
- Vagus (X).
- Accessory (XI).
- Hypoglossal (XII).
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What is the function of the olfactory nerve (I)?
Sense of smell. -
What is the function of the optic nerve (II)?
Sense of sight. -
What is the function of the trigeminal nerve (V)?
Sensory: sensation of face, scalp, teeth.
Motor: innervation of chewing muscles. -
What is the function of the abducens nerve (VI)?
Movement of the eyeball (abducting, to the sides). -
What is the function of the vestibulocochlear nerve (VIII)?
Sense of hearing & equilibrium (balance).
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