Medial pectoral nerve
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| Nerve: Medial pectoral nerve | |
|---|---|
 | |
| Nerves of the left upper extremity. (Medial anterior thoracicvisible in upper right.) | |
| Latin | n. pectoralis medialis |
| Gray's | subject #210 933 |
| Innervates | pectoralis minor |
| From | medial cord |
| Dorlands / Elsevier | n_05/12566420 |
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The medial pectoral nerve (medial anterior thoracic) arises from the medial cord of the plexus and through it from the eighth cervical and first thoracic.
It passes behind the first part of the axillary artery, curves forward between the axillary artery and vein, and unites in front of the artery with a filament from the lateral nerve.
It then enters the deep surface of the Pectoralis minor, where it divides into a number of branches, which supply the muscle.
Two or three branches pierce the muscle and end in the Pectoralis major.
See also
Additional images
 Brachial plexus |
External links
- SUNY Labs 05:st-0511
- EatonHand ner-016
- MedEd at Loyola GrossAnatomy/dissector/practical/ue/ue15.html
- Medial+pectoral+nerve at eMedicine Dictionary
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Nerves of upper limbs (primarily): the brachial plexus (C5-T1) | |
|---|---|
| Supraclavicular | root (dorsal scapular, long thoracic) - upper trunk (suprascapular, to the subclavius) |
| Infraclavicular: lateral cord | lateral pectoral
musculocutaneous (lateral cutaneous of forearm) median/lateral root: anterior interosseous - palmar - recurrent - common palmar digital (proper palmar digital) |
| Infraclavicular: medial cord | medial pectoral
cutaneous: medial cutaneous of forearm • medial cutaneous of arm ulnar: muscular - palmar - dorsal (dorsal digital nerves) - superficial (common palmar digital, proper palmar digital) - deep median/medial root: see above |
| Infraclavicular: posterior cord | subscapular (upper, lower) • thoracodorsal
axillary (superior lateral cutaneous of arm) radial: muscular - cutaneous (posterior of arm, inferior lateral of arm, posterior of forearm) - superficial (dorsal digital nerves) - deep (posterior interosseous) |
| Other | cutaneous innervation of the upper limbs |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
