International Journal of Anatomy and Research



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Type of Article: Original Research

Year: 2016 | Volume 4 | Issue 1 | Page No. 1994-1997

Date of Publication: 29-02-2016

DOI: http://dx.doi.org/10.16965/ijar.2016.128


MORPHOLOGICAL STUDY OF FISSURES AND LOBES OF LUNGS

Eti Sthapak *1, Navbir Pasricha 2, Mohmmad Shakil Siddiqui 3.

*1 Assistant Professor, Department of Anatomy, Era’s Lucknow Medical College & Hospital, Lucknow, India.
2 Professor, Department of Anatomy, Era’s Lucknow Medical College & Hospital, Lucknow, India.
3 Professor and Head, Department of Anatomy,Institution : Era’s Lucknow Medical College & Hospital, Lucknow, India.

Address: Dr. Eti Stahapak, Assistant Professor, Department of Anatomy, Era’s Lucknow Medical College & Hospital, Sarfaraj ganj, Moosa Bagh, Picnic Spot, Hardoi road, Lucknow-226003, India.
E-Mail: etiupadhyaya@yahoo.co.in

Abstract

Background: Though human beings are thought to be singularly alike in their general anatomical construction, but when we come to investigate one particular region in detail, we frequently meet one or another type of variations. Muscles of the arm exhibit numerous variations. Commonest muscle of the arm to show variations is the biceps brachii. We are presenting series of variation of origin and number of heads of bicep brachi.
Materials and Methods: 20 limbs were dissected as per the standard methods to note the origin, insertion and the nerve supply of the biceps brachii in the Department of Anatomy, Era’s Lucknow Medical College & Hospital, India.
Result: Supernumenary head of bicep brachii was seen in three limbs (15%). The origin of supernumerary head was different in each case though the nerve supply to each head was via musculocutaneous nerve.
Discussion: These supernumerary heads might be significant in producing the strong flexion as well as supination of forearm. They may cause compression of neurovascular structures because of their close relationship to brachial artery and median nerve.
Conclusion: Variant biceps brachii may confuse a surgeon who performs procedures on the arm and may lead to iatrogenic injuries. The surgeons should keep such muscular variations in mind.
Key words: Biceps Brachii, Variations, Accessory head, Innervations.

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Eti Sthapak, Navbir Pasricha, Mohmmad Shakil Siddiqui. STUDY OF VARIATIONS IN THE ORIGIN OF BICEPS BRACHII WITH SPECIAL THRUST ON ITS INNERVATIONS. Int J Anat Res 2016;4(1):1994-1997. DOI: 10.16965/ijar.2016.128

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