Dorsal ramus of spinal nerve
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| Nerve: Dorsal ramus of spinal nerve | |
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| Diagram of the course and branches of a typical intercostal nerve. (Posterior division labeled at upper right.) | |
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| Areas of distribution of the cutaneous branches of the posterior divisions of the spinal nerves. The areas of the medial branches are in black, those of the lateral in red. | |
| Latin | ramus posterior nervi spinalis |
| Gray's | subject #209 921 |
| Dorlands / Elsevier | r_02/12691733 |
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The posterior (or dorsal) branches (or divisions) of the spinal nerves are as a rule smaller than the anterior divisions.
They are directed backward, and, with the exceptions of those of the first cervical, the fourth and fifth sacral, and the coccygeal, divide into medial and lateral branches for the supply of the muscles and skin of the posterior part of the trunk.
See also
Additional images
 The formation of the spinal nerve from the dorsal and ventral roots. |
External links
- posterior+ramus+of+spinal+nerve at eMedicine Dictionary
- Norman/Georgetown terminologyanatplanes (typicalspinalnerve)
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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 .
