1990
DOI: 10.2535/ofaj1936.67.1_47
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Some Aspects of the Communicating Branch between the Musculocutaneous and Median Nerves in Man

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Cited by 18 publications
(13 citation statements)
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“…The musculocutaneous nerve (Mc) shows a separate running path from the median nerve (M) in anatomical textbooks (Williams 1995;Romanes 1972), and communication between Mc and M has been reported by several authors (Brochardt und Wjasmenski 1917;Ferner 1938;Gegenbaur 1867;Hirasawa 1931;Iwamoto et al 1990;Monden 1942;Testut 1884). However, many of the latter are case reports and the classification of the regular patterns of the communication has not been completely established.…”
Section: Introductionmentioning
confidence: 96%
“…The musculocutaneous nerve (Mc) shows a separate running path from the median nerve (M) in anatomical textbooks (Williams 1995;Romanes 1972), and communication between Mc and M has been reported by several authors (Brochardt und Wjasmenski 1917;Ferner 1938;Gegenbaur 1867;Hirasawa 1931;Iwamoto et al 1990;Monden 1942;Testut 1884). However, many of the latter are case reports and the classification of the regular patterns of the communication has not been completely established.…”
Section: Introductionmentioning
confidence: 96%
“…These were loop formation, absence o f piercing o f the coracobrachialis, piercing the head of the biceps brachii, and re-branc h i n g f r o m the c o m m u n i c a t i n g branch. Loop formation was found from the c o m m u n i c a t i n g branch [ 13-15, 20,21 ] or from the trunk of the nerve [19]. There were cases where a trunk of the nerve pierced the short head [12,151 or the third head [4,11 ], and a case of absence o f piercing the coracobrachialis [23].…”
Section: Methodsmentioning
confidence: 99%
“…In a study w i t h o u t a s u p e r n u m e r a r y head [26], the freq u e n c y o f c o m m u n i c a t i o n w a s 21.8%, while in the present study with a supernumerary head it was [15], this is usually interpreted as meaning that fibers that should have run through the lateral root o f the m e d i a n n e r v e failed to do so, but e n t e r e d the m u s c u l o c u t a n e u s and rejoined the median nerve. Iwamoto [19] analyzed the root of communicating branch with the median nerve, and d e s c r i b e d the c o m m u n i c a t i n g branch, consisting of fibers arising from the C5 and C6. There have been many r e p o t s of the occurrence of a communication between the muscul o c u t a n e u s n e r v e and the m e d i a n nerve [5-7, 13-14, 19, 26-27, 35, 42, 51].…”
Section: Authormentioning
confidence: 99%
“…Ese origen anómalo tiene una explicación embriológica, una vez que el plexo braquial aparece como un cono radicular único del miembro superior, que se divide longitudinalmente en segmentos ventral y dorsal. El segmento ventral será el responsable por dar origen a los nervios mediano y musculocutáneo, ya que ambos provienen del mismo segmento estando sujetos a variaciones durante su proceso de división embriológicos (Iwamoto et al, 1990).…”
Section: Relato De Caso Y Discusiónunclassified
“…Ese origen anómalo tiene una explicación embriológica, una vez que el plexo braquial aparece como un cono radicular único del miembro superior, que se divide longitudinalmente en segmentos ventral y dorsal. El segmento ventral será el responsable por dar origen a los nervios mediano y musculocutáneo, ya que ambos provienen del mismo segmento estando sujetos a variaciones durante su proceso de división embriológicos (Iwamoto et al, 1990).De acuerdo con el estudio de Tountas & Bergaman, sobre el origen del nervio musculocutáneo, quienes analizados 75 casos, solamente 2% de estos presentaban origen a partir de nervio mediano, representando así la segunda variación más rara, ya que del fascículo posterior del plexo braquial se origina en el 1,4%. …”
unclassified