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  2. Phrenic nerve - Wikipedia

    en.wikipedia.org/wiki/Phrenic_nerve

    The right phrenic nerve passes over the right atrium. The left phrenic nerve passes over the pericardium of the left ventricle and pierces the diaphragm separately. The pericardiacophrenic arteries and veins travel with their respective phrenic nerves. The phrenic nerve can be marked by a line connecting these two points:

  3. Diaphragm pacing - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_pacing

    The phrenic nerve is then isolated under the scalenus anticus muscle. For the thoracic surgical technique, a small (~5 cm) incisions over the 2nd or 3rd intercostal space. The electrodes are placed around the phrenic nerves alongside the pericardium. The use of a thorascope allows for this technique to be performed in a minimally-invasive ...

  4. Pericardiacophrenic artery - Wikipedia

    en.wikipedia.org/wiki/Pericardiacophrenic_artery

    The pericardiacophrenic arteries travel through the thoracic cavity.They course through the fibrous pericardium. [2] The pericardiacophrenic artery accompanies the phrenic nerve between the pleura and pericardium, to the diaphragm. [3]

  5. 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]

  6. Subclavian nerve - Wikipedia

    en.wikipedia.org/wiki/Subclavian_nerve

    The subclavian nerve may issue a branch called the accessory phrenic nerve [3] [2] which innervates the diaphragm. [3] The accessory phrenic nerve may rather branch from the C4 or C6 segments or ansa cervicalis. [4] This nerve usually joins with the phrenic nerve before innervating the diaphragm, ventral to the subclavian vein. [5]

  7. List of anatomy mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_anatomy_mnemonics

    This is a list of human anatomy mnemonics, categorized and alphabetized.For mnemonics in other medical specialties, see this list of medical mnemonics.Mnemonics serve as a systematic method for remembrance of functionally or systemically related items within regions of larger fields of study, such as those found in the study of specific areas of human anatomy, such as the bones in the hand ...

  8. Vena caval foramen - Wikipedia

    en.wikipedia.org/wiki/Vena_caval_foramen

    The caval opening of diaphragm [2] (also foramen of vena cava, [1] vena caval foramen [3] [1]) is an opening in the central tendon of diaphragm giving passage to the inferior vena cava [2] [3] as well as to some terminal [2] branches of [2] [1] the right phrenic nerve, [2] [3] and some lymphatic vessels en route to middle phrenic and mediastinal lymph nodes. [2]

  9. 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.