Neck (body part)
The neck is the part of the body that connects the head to the trunk.
The neck contains the cervical spine (the bones in the neck) many important blood vessels, the trachea (through which breathing is done) the larynx (where the voice comes from) the esophagus, lymph nodes, muscles, nerves, connective tissue, and skin. Blood vessels include Carotid artery and Jugular vein.
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Terminal (CN 0) | |
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Olfactory (CN I) |
- Nuclei
- anterior olfactory nucleus
- Course
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Optic (CN II) |
- Nuclei
- lateral geniculate nucleus
- Course
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Oculomotor (CN III) |
- Nuclei
- oculomotor nucleus
- Edinger–Westphal nucleus
- Branches
- superior
- parasympathetic root of ciliary ganglion
- inferior
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Trochlear (CN IV) | |
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Trigeminal (CN V) |
- Nuclei
- PSN
- spinal trigeminal nucleus
- MN
- TMN
- Course
- Branches
- ophthalmic
- maxillary
- mandibular
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Abducens (CN VI) | |
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Facial (CN VII) | Near origin |
- Intermediate nerve
- Geniculate
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Inside facial canal |
- Greater petrosal
- Nerve to the stapedius
- Chorda tympani
- lingual nerve
- submandibular ganglion
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At stylomastoidforamen |
- Posterior auricular
- Suprahyoid
- Parotid plexus
- temporal
- zygomatic
- buccal
- mandibular
- cervical
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Nuclei |
- Facial motor nucleus
- Solitary nucleus
- Superior salivary nucleus
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Vestibulocochlear (CN VIII) |
- Nuclei
- vestibular nuclei
- cochlear nuclei
- Cochlear nerve
- striae medullares
- lateral lemniscus
- Vestibular
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Glossopharyngeal (CN IX) | Before jugular fossa | |
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After jugular fossa |
- Tympanic
- tympanic plexus
- lesser petrosal
- otic ganglion
- Stylopharyngeal branch
- Pharyngeal branches
- Tonsillar branches
- Lingual branches
- Carotid sinus
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Nuclei |
- Nucleus ambiguus
- Inferior salivatory nucleus
- Solitary nucleus
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Vagus (CN X) | Before jugular fossa | |
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After jugular fossa |
- Meningeal branch
- Auricular branch
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Neck |
- Pharyngeal branch
- Superior laryngeal
- Recurrent laryngeal
- Superior cervical cardiac
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Thorax |
- Inferior cardiac
- Pulmonary
- Vagal trunks
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Abdomen |
- Celiac
- Renal
- Hepatic
- Anterior gastric
- Posterior gastric
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Nuclei |
- Nucleus ambiguus
- Dorsal nucleus of vagus nerve
- Solitary nucleus
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Accessory (CN XI) |
- Nuclei
- nucleus ambiguus
- spinal accessory nucleus
- Cranial
- Spinal
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Hypoglossal (CN XII) | |
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