Patterns of Motor Branching of the Musculocutaneous Nerve in Human Fetuses and Clinical Significance

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dc.authoridOrhan, Mustafa/0000-0003-4403-5718
dc.authoridKervancioglu, Piraye/0000-0003-3231-3637
dc.contributor.authorKervancioglu, Piraye
dc.contributor.authorOrhan, Mustafa
dc.contributor.authorKilinc, Nihal
dc.date.accessioned2025-01-27T20:16:54Z
dc.date.available2025-01-27T20:16:54Z
dc.date.issued2011
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe purpose of this morphologic study is to investigate the course and the branching pattern of motor branches of musculocutaneous nerve (MCN) in human fetuses. Twenty upper limbs (10 right, 10 left) of spontaneously aborted formalin-fixed fetuses were dissected under a stereomicroscope to determine motor branches for the biceps brachii and brachialis and the communicating branches between the MCN and median nerve (MN). The MCN entered the proximal and middle part of coracobrachialis in 13/20 and 5/20 of arms, respectively, and the remaining 2/20 did not pierce coracobrachialis. The communication between MCN and MN was observed in 5/20 of the arms and detected only in the distal part of the coracobrachialis. The most frequently observed innervation is the type wherein a single branch to biceps brachii, which bifurcated for supplying the short and long heads (12/20). For the innervation of brachialis, the most frequent type was a single branch from the main trunk of the MCN (15/20). During the dissections, the distance between the acromion and the emerging point of the motor branches was measured. The mean distance between the acromion and the emerging point of the all motor branches for biceps brachii in all types of specimens was 33.8 +/- 6.1% of acromion-lateral epicondyle length and for brachialis was 50.6 +/- 11.5% of acromion-lateral epicondyle length. The data of the MCN variations in the human fetus may be useful for the clinicians and pediatric surgery. Clin. Anat. 24:168-178, 2011. (C) 2011 Wiley-Liss, Inc.
dc.identifier.doi10.1002/ca.21095
dc.identifier.endpage178
dc.identifier.issn0897-3806
dc.identifier.issn1098-2353
dc.identifier.issue2
dc.identifier.pmid21268120
dc.identifier.scopus2-s2.0-79951669899
dc.identifier.scopusqualityQ1
dc.identifier.startpage168
dc.identifier.urihttps://doi.org/10.1002/ca.21095
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21431
dc.identifier.volume24
dc.identifier.wosWOS:000287456200006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofClinical Anatomy
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectfetal morphology
dc.subjectupper limb
dc.subjectmusculocutaneous nerve
dc.subjectnerve variations
dc.titlePatterns of Motor Branching of the Musculocutaneous Nerve in Human Fetuses and Clinical Significance
dc.typeArticle

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