5 research outputs found
Supernumerary head of biceps brachii and branching pattern of the musculocutaneous nerve
No full textDuring routine dissection by medical undergraduates, third head of the biceps brachii muscle was found on the left side of a 75-year-old male cadaver in a total of 48 arms dissected in Department of Anatomy Armed Forces Medical College, Pune. Biceps brachii is a muscle of arm having two heads hence the name. The most frequent variation of the muscle is in the number of heads with a prevalence range of 9.1-22.9%. The origin of the supernumerary head in this case was from the humerus, between the insertion of the coracobrachialis and the upper part of the origin of the brachialis, and also from the medial intermuscular septum. The supernumerary head joined the common belly. It was supplied by the musculocutaneous nerve which after emerging from brachialis pierced it near the middle and terminated by finally supplying the biceps belly. In our study, 2.08% (1 of 48) of male cadavers were found to have the third head of biceps. The incidence of this variation can be as much as 10% as, shown in previous studies on Indian population, as reported in standard textbooks of anatomy
Transparent, crystalline ZnO thin films: Effect of spin coating parameters on the structural and optical properties
No full textNeutron Diffraction, Mossbauer and Electron Paramagnetic Resonance Studies of Pb0.8Bi0.2Fe0.6Nb0.4O3 Multiferroic
No full textThe Pb0.8Bi0.2Fe0.6Nb0.4O3 (PFN-BFO) multiferroic solid solution was synthesized by single step solid state reaction method with low calcination (700 degrees C/2h) and sintering (800 degrees C/3h) temperatures. Single phase formation was confirmed through X Ray Diffraction (XRD) and Neutron Diffraction (ND) at room temperature (RT). The structural analysis was carried out by Rietveld refinement through the Fullprof program. Refined XRD and ND patterns confirms the monoclinic structure with Cm space group and obtained cell parameters from the ND data are a = 5.6449(8) angstrom, b = 5.6536(5) angstrom, c = 4.0017(6) beta = 30(4). ND data at RT exhibits G-type antiferromagnetic structure. The Mossbauer and Electron Paramagnetic Resonance (EPR) spectroscopy studies were carried out at RT. The isomer shift and the quadrupole splitting of the Mossbauer spectra confirm the Fe in +3 states. An EPR spectrum shows a single broad slight asymmetric line, is an evidence of Fe in +3 states. ND, Mssbauer and EPR studies are the clear evidence of existence of antiferromagnetic ordering near room temperature
