Lateral cord
Lateral cord | |
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Plan of brachial plexus. (Lateral cord is at top.) | |
The right brachial plexus with its short branches, viewed from in front. The Sternomastoid and Trapezius muscles have been completely, the Omohyoid and Subclavius have been partially, removed; a piece has been sawed out of the clavicle; the Pectoralis muscles have been incised and reflected. | |
Details | |
From | brachial plexus - anterior divisions from the upper and middle trunks |
To |
lateral pectoral nerve musculocutaneous nerve median nerve |
Identifiers | |
Latin | fasciculus lateralis plexus brachialis |
Dorlands /Elsevier | f_03/12355977 |
TA | A14.2.03.021 |
FMA | 45235 |
The lateral cord is a division of the brachial plexus. Cervical spinal nerves C5, C6, and C7 contribute to it.
The lateral cord gives rise to the following nerves:
- The lateral pectoral nerve to the pectoralis major muscle
- The musculocutaneous nerve which innervates the biceps muscle
- The median nerve, partly. The other part comes from the medial cord.
Additional images
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Lateral cord
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Brachial plexus.Deep dissection.
External links
- Atlas image: hand_plexus at the University of Michigan Health System - "Axilla, dissection, anterior view"
- EatonHand ner-123
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