Multiple Musculovascular Anomalies in the Superior Extremities of a Cadaver: A Case Report
ABSTRACT During the evolution from the lower animals to man, the upper limbs have acquired a great mobility, but at the cost of their stability. The reverse is true for the lower limbs. The muscular anomalies which are common in the upper limbs are largely explainable on a phylogenetic basis. T...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
JCDR Research and Publications Private Limited
2013-02-01
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Series: | Journal of Clinical and Diagnostic Research |
Subjects: | |
Online Access: | https://www.jcdr.net/articles/PDF/2763/37-%204672_PF1(M)_E(C)_F(T)_PF1(M)_PF1(T)_FA(T)_u.pdf |
Summary: | ABSTRACT
During the evolution from the lower animals to man, the upper
limbs have acquired a great mobility, but at the cost of their
stability. The reverse is true for the lower limbs. The muscular
anomalies which are common in the upper limbs are largely
explainable on a phylogenetic basis. The same is true for the
vascular anomalies. However, such anomalies are usually seen
singly and they are never together in the same limb or in two limbs
of the same body. The upper limbs which are being reported
here had multiple musculovascular anomalies and some of these
were bilateral. These include the superficial brachial artery, the
accessory head of the biceps brachii, the accessory muscular
slips which arose from the common flexor origin and went to
the tendons of the flexor digitorum profundus and the flexor
pollicis longus separately, bifurcation of the tendon of insertion
of the brachioradialis and bifurcated (split) insertion of the third
lumbrical on the adjacent fingers. Though all these variations
have been described in the standard text books of Anatomy, their
occurrence, together in one limb and the bilateral presentations
of some of these, have never been encountered. Almost all these
variations have been explained phylogenically, thus supporting
the dictum, “The ontogeny repeats the phylogeny.” Furthermore,
their clinical significance has also been discussed. |
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ISSN: | 2249-782X 0973-709X |