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  2. Phrenic nerve - Wikipedia

    en.wikipedia.org/wiki/Phrenic_nerve

    As with most nerves in the neck, multiple anatomic variants have been described. Notably, there may be variability in the course of the phrenic nerve in the retro-clavicular region such that the nerve courses anterior to the subclavian vein, rather than its typical position posterior to the vein (between the subclavian vein and artery). [3]

  3. Kehr's sign - Wikipedia

    en.wikipedia.org/wiki/Kehr's_sign

    Kehr's sign is a classic example of referred pain: irritation of the diaphragm is signaled by the phrenic nerve as pain in the area above the collarbone. This is because the supraclavicular nerves have the same cervical nerves origin as the phrenic nerve, C3, C4, and C5. [citation needed]

  4. Cutaneous innervation of the lower limbs - Wikipedia

    en.wikipedia.org/wiki/Cutaneous_innervation_of...

    Lumboinguinal nerve (green) and Ilioinguinal nerve (purple). In modern texts, these two regions are often considered to be innervated by the genitofemoral nerve. Medial cluneal nerves (pink) - labeled as "post. division of sacral" Inferior cluneal nerves (pink region, not designated with its own section)

  5. File:Knee diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Knee_diagram.svg

    The following other wikis use this file: Usage on ar.wikipedia.org ويكيبيديا:ورشة الصور/أرشيف 21; Usage on az.wikipedia.org

  6. Outline of the human nervous system - Wikipedia

    en.wikipedia.org/wiki/Outline_of_the_human...

    An action potential (or nerve impulse) is a transient alteration of the transmembrane voltage (or membrane potential) across the membrane in an excitable cell generated by the activity of voltage-gated ion channels embedded in the membrane. The best known action potentials are pulse-like waves that travel along the axons of neurons.

  7. List of nerves of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_nerves_of_the...

    Composition and central connections of the spinal nerves; Pathways from the brain to the spinal cord; The meninges of the brain and medulla spinalis; The cerebrospinal fluid; The cranial nerves. The olfactory nerves; The optic nerve; The oculomotor nerve; The trochlear nerve; The trigeminal nerve; The abducens nerve; The facial nerve; The ...

  8. Your 'muscle aches' might actually be nerve pain. Here's how ...

    www.aol.com/muscle-aches-might-actually-nerve...

    And nerve pain doesn't always occur in the part of the body that's the root of the pain. Sciatica, for instance, is a condition in which a nerve is compressed in the low-back and causes pain down ...

  9. Cervical spinal nerve 5 - Wikipedia

    en.wikipedia.org/wiki/Cervical_spinal_nerve_5

    The cervical spinal nerve 5 (C5) is a spinal nerve of the cervical segment. [1]It originates from the spinal column from above the cervical vertebra 5 (C5). It contributes to the phrenic nerve, long thoracic nerve, and dorsal scapular nerve before joining cervical spinal nerve 6 to form the upper trunk, a trunk of the brachial plexus, which then forms the lateral cord, and finally the ...