Humans and mammals
In mammals, the parts that make up the thorax are the sternum, the thoracic vertebrae and the ribs. It starts from the neck and stops at the diaphragm.
Thorax Chest |
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X-ray image of the human chest showing the internal anatomy of the rib cage, lungs and heart as well as the inferior thoracic border–made up of the diaphragm. |
Surface projections of the organs of the trunk, with the thorax or chest region seen stretching down to approximately the end of the oblique lung fissure anteriorly, but more deeply its lower limit rather corresponds to the upper border of the liver. |
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| Latin | thorax |
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| Greek | θώραξ |
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| MeSH | D013909 |
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| TA | A01.1.00.014 |
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| FMA | 9576 |
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| Anatomical terminology |
Insects
The thorax is a part of an animal's body that is between the head and the abdomen.
In insects and crustaceans, it is the middle of the three main body sections. The walking legs are usually on the thorax.
Related pages
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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 stylomastoid foramen |
- 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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|
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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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