Volume : VI, Issue : IX, September - 2017

Study of median nerve and its variations, communications and relations in thirty four formalin preserved cadaveric human brachial plexuses

Rajni, Manu Gupta, Shalik Ram Adhikari, Renu Mishra, Geeta Yadav

Abstract :

 BACKGROUND

Brachial plexus is a principle somatic nerve plexus supplying the upper limb situated in the posterior triangle of the cervical region and in the axillary region. The plexus is a result of union of anterior rami of inferior four cervical nerves (C5, C6, C7 and C8) and the anterior ramus of the first thoracic nerve (T1), with variable contribution from C4 and T2.

In normal anatomy, the achial plexus is described to have roots, trunks, divisions, cords and terminal nerves [Bannister et al]¹ and median nerve is one of the nerve of Brachial plexus.

Variations involving the median nerve are not uncommon and have been linked with factors influencing the mechanism of limb muscles and peripheral nerves development during emyonic life.

Knowledge of variations in anatomy is important to anatomists, radiologists, anesthesiologists and surgeons, and has gained more importance due to the wide use of computer imaging in diagnostic medicine.

MATERIAL & METHODS

The study was conducted in the Department of Anatomy, SARASWATHI INSTITUTE OF MEDICAL SCIENCES.

Case sample

Thirty–forty human achial plexuses (15–20 formalin preserved adult cadavers)

Instruments and chemicals used:

1.      Scalpel

2.      Blunt forceps

3.      Fine forceps

4.      Scissors

5.      Bone cutter

6.      Calipers

7.      Scale

8.      Gloves

9.      Facemask

10.  Acetone

11.  Colored Paints (Yellow, Black & Red)

12.  Painting Brush

Method:–

The achial plexus was dissected on both sides in approx. 15–20 formalin preserved adult cadavers. Lateral side of the neck, axilla and arm was dissected to expose the entire extent of achial plexus. The various components of achial plexus were delineated by careful fine dissection. Adequate care was taken to preserve its relations to important surrounding structures. The achial plexus was studied systematically, noting the median nerve, its variations, communications and relations.

 

OBSERVATIONS

The observations recorded in the present study pertained to the dissection of human achial plexus and studying Median nerve and its variations, communications and relations.

Keywords :

Article: Download PDF   DOI : 10.36106/ijsr  

Cite This Article:

Rajni, Manu gupta, Shalik ram adhikari, Renu mishra, Geeta Yadav, Study of median nerve and its variations, communications and relations in thirty four formalin preserved cadaveric human brachial plexuses, INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH : Volume-6 | Issue-9 | September-2017

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