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Nervous system
Topics
Cranial nerves
Twelve cranial nerves, their exit points, anatomical course, branches and topography.
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- Cranial nerves (overview)
- Cranial nerve exits
- Cranial nerves and cavernous sinus
- Olfactory nerve (CN I)
- Optic nerve (CN II)
- Oculomotor nerve (CN III)
- Trochlear nerve (CN IV)
- Trigeminal nerve (CN V)
- Ophthalmic nerve (CN V1)
- Maxillary nerve (CN V2)
- Mandibular nerve (CN V3)
- Abducens nerve (CN VI)
- Facial nerve (CN VII)
- Intermediate portion of facial nerve
- Vestibulocochlear nerve (CN VIII)
- Glossopharyngeal nerve (CN IX)
- Vagus nerve (CN X)
- Accessory nerve (CN XI)
- Hypoglossal nerve (CN XII)
Innervation of the upper limb
Brachial plexus, nerves arising from the plexus and supplying the upper limb.
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- Brachial plexus
- Roots and trunks of brachial plexus
- Divisions of brachial plexus
- Cords of brachial plexus
- Supraclavicular part of brachial plexus
- Infraclavicular part of brachial plexus
- Musculocutaneous nerve
- Medial brachial cutaneous nerve
- Medial antebrachial cutaneous nerve
- Axillary nerve
- Median nerve
- Ulnar nerve
- Radial nerve
Innervation of the lower limb
Sacral and lumbar plexuses, most important nerves that supply the lower extremity.
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- Innervation of lower limb
- Lumbar plexus
- Femoral nerve and its branches
- Lateral femoral cutaneous nerve
- Genitofemoral nerve
- Obturator nerve
- Iliohypogastric nerve
- Ilioinguinal nerve
- Sacral plexus
- Posterior femoral cutaneous nerve
- Sciatic nerve (Ischiadic nerve)
- Tibial nerve and its branches
- Common peroneal nerve and its branches
- Sural nerve
Brain
Brainstem, cerebellum, cerebral hemispheres. Lobes, gyri and sulci. Cerebral blood vessels.
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- Brain (overview)
- Brainstem
- Medulla oblongata
- Pons
- Rhomboid fossa
- Rhomboid fossa: main landmarks
- Rhomboid fossa: superior triangle
- Rhomboid fossa: inferior triangle
- Midbrain
- Cerebellum (1 of 3)
- Cerebellum (2 of 3)
- Cerebellum (3 of 3)
- Cerebrum (Cerebral hemispheres)
- Cerebral lobes
- Cerebral gyri and sulci (overview)
- Frontal lobe: sulci and gyri
- Temporal lobe: sulci and gyri
- Parietal lobe: sulci and gyri
- Occipital lobe: sulci and gyri
- Sulci and gyri of the medial and inferior cerebral surfaces
- Insula
- Insula: sulci and lobules
- Insula: anterior lobule
- Insula: posterior lobule
- Functional areas of the cerebral cortex
- Arterial blood supply of the brainstem and cerebellum
- Arterial blood supply of the cerebrum
- Venous drainage of the brain
Spinal cord
Internal and external anatomy, blood supply, meninges.
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- Spinal cord (overview)
- Spinal cord segments
- Spinal cord enlargements
- Discrepancy of spinal cord and spine
- Conus medullaris, filum terminale and cauda equina
- External surfaces and grooves of spinal cord
- Spinal nerves and roots
- Cross-section of spinal cord
- Gray matter
- Nuclei of dorsal horn
- Nuclei of intermediate column
- Nuclei of ventral horn
- Rexed's laminae
- White matter
- Ascending tracts of spinal cord
- Descending tracts of spinal cord
- Arterial blood supply of spinal cord
- Venous drainage of spinal cord
- Spinal meninges and meningeal spaces