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Riva N, Domi T, Lopez ID, et al. The brachial plexus branches to the pectoral muscles in adult rats: morphological aspects and morphometric normative data. Front Neuroanat. 2012;6:41doi: 10.3389/fnana.2012.00041.
Riva, N., Domi, T., Lopez, I. D., Triolo, D., Fossaghi, A., Dina, G., Podini, P., Comi, G., & Quattrini, A. (2012). The brachial plexus branches to the pectoral muscles in adult rats: morphological aspects and morphometric normative data. Frontiers in neuroanatomy, 641. https://doi.org/10.3389/fnana.2012.00041
Riva, Nilo, et al. "The brachial plexus branches to the pectoral muscles in adult rats: morphological aspects and morphometric normative data." Frontiers in neuroanatomy vol. 6 (2012): 41. doi: https://doi.org/10.3389/fnana.2012.00041
Riva N, Domi T, Lopez ID, Triolo D, Fossaghi A, Dina G, Podini P, Comi G, Quattrini A. The brachial plexus branches to the pectoral muscles in adult rats: morphological aspects and morphometric normative data. Front Neuroanat. 2012 Oct 10;6:41. doi: 10.3389/fnana.2012.00041. eCollection 2012. PMID: 23087618; PMCID: PMC3467569.
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Front Neuroanat. 2012 Oct 10;6:41. doi: 10.3389/fnana.2012.00041. eCollection 2012.

The brachial plexus branches to the pectoral muscles in adult rats: morphological aspects and morphometric normative data.

Frontiers in neuroanatomy

Nilo Riva, Teuta Domi, Ignazio Diego Lopez, Daniela Triolo, Andrea Fossaghi, Giorgia Dina, Paola Podini, Giancarlo Comi, Angelo Quattrini

Affiliations

  1. Neuropathology Unit, Division of Neuroscience and INSPE, San Raffaele Scientific Institute Milan, Italy.

PMID: 23087618 PMCID: PMC3467569 DOI: 10.3389/fnana.2012.00041

Abstract

Animal models provide an important tool to investigate the pathogenesis of neuromuscular disorders. In the present study, we analyze fiber composition of the brachial plexus branches to the pectoral muscles: the medial anterior thoracic nerve (MATN) and the lateral anterior thoracic nerve (LATN). The morphological and morphometric characteristics and the percentage of motor fibers within each nerve are here reported, adding information to microscopic anatomy knowledge of the rat brachial plexus. As control, we employed the quadriceps nerve, commonly used for the evaluation of motor fibers at hindlimbs. We demonstrated that the MATN and the LATN are predominantly composed of large motor fibers and therefore could be employed to evaluate the peripheral nervous system (PNS) involvement at forelimbs in neurological diseases models, predominantly affecting the motor fiber compartment.

Keywords: brachial plexus; lateral anterior thoracic nerve; medial anterior thoracic nerve; motor fibers; pectoral nerves; peripheral nerve; rat anatomy

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