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Int. j. morphol ; 27(1): 31-34, Mar. 2009. ilus
Article in English | LILACS | ID: lil-552981

ABSTRACT

Proper knowledge of muscular variations is essential for both anatomists and surgeons. Variations of the flexor carpi ulnaris (FCU) are not very common. We are reporting an unusual case of FCU muscle with two bellies. The two heads (ulnar and humeral) of the muscle continued as two separate bellies and the tendons of which joined each other slightly proximal to the wrist before getting inserted to pisiform bone. Further, detailed literature review of variations of FCU muscle is done and the developmental basis for the variation and its surgical importance are discussed.


El correcto conocimiento de las variaciones musculares es esencial para anatomistas y cirujanos. Variaciones del músculo flexor ulnar del carpo (MFUC) no son muy comunes. Se reporta un caso inusual del MFUC con dos vientres. Las dos cabezas (ulnar y humeral) del músculo continuaron como dos vientres separados. Los tendones se unieron entre sí, ligeramente proximal a la muñeca, antes de llegar a su inserción en el hueso pisiforme. Se hace una detallada revisión de la literatura de las variaciones del MFUC y son discutidas las bases del desarrollo de las variaciones, destacándose además su importancia quirúrgica.


Subject(s)
Humans , Male , Middle Aged , Forearm/anatomy & histology , Forearm/physiology , Wrist/anatomy & histology , Wrist/embryology , Musculoskeletal Development/physiology , Musculoskeletal Development/genetics , Dissection , Ulnar Neuropathies/congenital
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