| DUBOVÝ, Petr, Radim JANČÁLEK a Pavel HANINEC. Fasciculation of the motor axons in the human musculocutaneous nerve. Scripta medica. Brno: Lékařská fakulta Masarykovy univerzity, 1996, roč. 69, č. 6, s. 213-220. ISSN 1211-3395. |
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@article{193376,
author = {Dubový, Petr and Jančálek, Radim and Haninec, Pavel},
article_location = {Brno},
article_number = {6},
keywords = {motor axons; nerve fascicuization},
language = {eng},
issn = {1211-3395},
journal = {Scripta medica},
title = {Fasciculation of the motor axons in the human musculocutaneous nerve},
volume = {69},
year = {1996}
}
TY - JOUR
ID - 193376
AU - Dubový, Petr - Jančálek, Radim - Haninec, Pavel
PY - 1996
TI - Fasciculation of the motor axons in the human musculocutaneous nerve
JF - Scripta medica
VL - 69
IS - 6
SP - 213
EP - 213
PB - Lékařská fakulta Masarykovy univerzity
SN - 12113395
KW - motor axons
KW - nerve fascicuization
N2 - An improvement of efficiency of new methods applied in reconstructive operations of the brachial plexus requires knowledge of motor and somatosensory axon fasciculation in the proximal parts of peripheral nerves protruding from the brachial plexus. In the present paper we have described a fasciculation of the motor axons in the human musculocutaneous nerve. The human musculocutaneous nerves of both sides were removed from 2 cadavers 10 hours post mortem. The nerves were divided into five 1 cm long segments in the proximal-to distal direction (segments A-E) after fixation in Zamboni's fixative solution. The motor axon detection was based on their high acetylcholinesterase activity content determined by histochemical method. The motor axon distribution was photographed in a light microscope and evalualed by means of an image analysis system equipped with DIPS 4.0 software. The human musculocutaneous nerve is a polyfascicular nerve with a monofascicular segment located about 2 to 3 cm from its beginning at the lateral brachial fasciculus. The motor axons were dispersed regularly in all fascicles of the proximal segments (A-C), i.e., to the distance of 3 cm. The monofascicular segment containing dispersed molor nerve fibres is a very suitable point for connections related with nerve grafts during microsurgical reconstruction of the brachial plexus. The fascicles with abundant motor axons were observed in more distal segments (D, E) located more laterally, but medial fascicles always contained a small portion of motor axons. Our present findings suggest that histochemical detection of acelylcholinestrase activity in combination with the image analysis system is suitable method for the study of the motor axon fasciculation in human nerves.
ER -
DUBOVÝ, Petr, Radim JANČÁLEK a Pavel HANINEC. Fasciculation of the motor axons in the human musculocutaneous nerve. \textit{Scripta medica}. Brno: Lékařská fakulta Masarykovy univerzity, 1996, roč.~69, č.~6, s.~213-220. ISSN~1211-3395.
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