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Search Results: 1 - 10 of 1104 matches for " Satheesha; Bhat "
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Communication of the Anterior Branch of the Great Auricular Nerve with the Cervical Branch of Facial Nerve and its Variant Nerve Endings Deep in the Parotid Gland
Rao Sirasanagandla,Srinivasa; Nayak B,Satheesha; Bhat,Kumar M. R; Ravindra S,Swamy;
International Journal of Morphology , 2012, DOI: 10.4067/S0717-95022012000300012
Abstract: the communications between the branches of cervical plexus and cervical branch of facial nerve are common and are well known. however, this communication usually occurs between the transverse cervical nerve and cervical branch of facial nerve. during routine dissection classes for the medical undergraduate students, we came across an anatomical variant of anterior division of great auricular nerve. this variation was found in a 60-year-old male cadaver of south indian origin and it was unilateral. the great auricular nerve arose from the loop of ventral rami of c2 and c3 spinal nerves and divided into anterior and posterior branches. the anterior branch ran obliquely upwards and forwards on the surface of the sternocleidomastoid muscle along with the external jugular vein towards the apex of parotid gland and divided into many branches. one of these branches gave a communicating branch to cervical branch of facial nerve outside the parotid gland. nerve endings of the remaining branches were found to penetrate the interlobular septa and a few of them were seen deep in the gland along the ducts and near the vessels. the functional significance of anatomic variations of nerve endings in relation to ducts, thin vessels deep in the parotid gland, observed in the present case are yet to be evaluated.
Communication of the Anterior Branch of the Great Auricular Nerve with the Cervical Branch of Facial Nerve and its Variant Nerve Endings Deep in the Parotid Gland Comunicación del Ramo Anterior del Nervio Auricular Mayor con el Ramo Cervical del Nervio Facial y sus Terminaciones Nerviosas Profundas Variantes en la Glándula Parótida
Srinivasa Rao Sirasanagandla,Satheesha Nayak B,Kumar M. R Bhat,Swamy Ravindra S
International Journal of Morphology , 2012,
Abstract: The communications between the branches of cervical plexus and cervical branch of facial nerve are common and are well known. However, this communication usually occurs between the transverse cervical nerve and cervical branch of facial nerve. During routine dissection classes for the Medical undergraduate students, we came across an anatomical variant of anterior division of great auricular nerve. This variation was found in a 60-year-old male cadaver of South Indian origin and it was unilateral. The great auricular nerve arose from the loop of ventral rami of C2 and C3 spinal nerves and divided into anterior and posterior branches. The anterior branch ran obliquely upwards and forwards on the surface of the sternocleidomastoid muscle along with the external jugular vein towards the apex of parotid gland and divided into many branches. One of these branches gave a communicating branch to cervical branch of facial nerve outside the parotid gland. Nerve endings of the remaining branches were found to penetrate the interlobular septa and a few of them were seen deep in the gland along the ducts and near the vessels. The functional significance of anatomic variations of nerve endings in relation to ducts, thin vessels deep in the parotid gland, observed in the present case are yet to be evaluated. Las comunicaciones entre los ramos del plexo cervical y ramo cervical del nervio facial son comunes y bien conocidos. Sin embargo, esta comunicación por lo general ocurre entre el nervio cervical transverso y el ramo cervical del nervio facial. Durante las clases de disección de rutina para los estudiantes de pregrado de medicina, nos encontramos con una variante anatómica de la división anterior del nervio auricular mayor, unilateral, en un cadáver de sexo masculino de 60 a os, del Sur de la India. El nervio auricular mayor se originó desde el bucle de los ramos ventrales de los nervios espinales C2 y C3, y dividió en ramos anterior y posterior. El ramo anterior se dirigió oblicuamente hacia arriba y adelante sobre la superficie del músculo esternocleidomastoideo junto con la vena yugular externa hacia el ápice de la glándula parótida y se dividió en numerosos ramos terminales. Uno de estos ramos dió un ramo comunicante al ramo cervical del nervio facial fuera de la glándula parótida. Las terminaciones nerviosas de los ramos restantes penetraron en los septos interlobulares. Algunos de éstos se observaron profundos en la glándula a lo largo de los conductos y cerca de los vasos. La importancia funcional de las variaciones anatómicas de las terminaciones nerviosa
Sural nerve and short saphenous vein entrapment-a case report
Nayak Satheesha
Indian Journal of Plastic Surgery , 2005,
Abstract: Although the sural nerve is the most extensively studied nerve in man, there is a dearth of data regarding the normal variations in the size and distribution of axons in normal subjects. Since the sural nerve is the most frequently used sensory nerve in nerve transplantation, knowledge of variations in its course and distribution plays an important role in the surgical procedures. Here, an entrapment of the sural nerve in the gastrocnemius is reported. The short saphenous vein also passed through the gastrocnemius muscle along with the sural nerve.
Abnormal Branch of External Iliac Artery in the Iliac Fossa
Nayak B,Satheesha;
International Journal of Morphology , 2008, DOI: 10.4067/S0717-95022008000200033
Abstract: an abnormal artery arising from external iliac artery was found during routine dissection class for medical undergraduates. the artery took its origin from the external iliac artery midway between its origin from common iliac and termination as femoral artery. the abnormal artery divided into two branches; an ascending and a descending. the ascending branch supplied iliacus and iliac crest. the descending branch entered the femoral triangle by passing behind the femoral sheath. it supplied the muscles of femoral triangle and anastomosed with medial circumflex femoral artery. the knowledge of this variation may be of use for surgeons doing surgery of femoral hernia.
Abnormal Branch of External Iliac Artery in the Iliac Fossa Rama Anormal de la Arteria Ilíaca Externa en la Fosa Ilíaca
Satheesha Nayak B
International Journal of Morphology , 2008,
Abstract: An abnormal artery arising from external iliac artery was found during routine dissection class for medical undergraduates. The artery took its origin from the external iliac artery midway between its origin from common iliac and termination as femoral artery. The abnormal artery divided into two branches; an ascending and a descending. The ascending branch supplied iliacus and iliac crest. The descending branch entered the femoral triangle by passing behind the femoral sheath. It supplied the muscles of femoral triangle and anastomosed with medial circumflex femoral artery. The knowledge of this variation may be of use for surgeons doing surgery of femoral hernia. Una variación arterial proveniente de la arteria ilíaca externa fue encontrada durante una disección de rutina en Medicina de pregrado. La arteria se originaba de la arteria ilíaca externa a mitad de camino entre su origen desde la arteria ilíaca común y su terminación, la arteria femoral. La arteria se dividía en dos ramas: ascendente y descendente. La rama ascendente suministraba la irrigación al músculo ilíaco y a la cresta ilíaca. La rama descendente entraba en el trígono femoral pasando por detrás de la vaina femoral y daba la irrigación a los músculos del trígono femoral, anastomosándose con la arteria circunfleja femoral medial. El conocimiento de esta variación puede ser de utilidad para los cirujanos que realizan cirugía de hernia femoral.
A Rare Case of Unilateral Third Head of Sternocleidomastoid Muscle
Cherian,Saju Binu; Nayak,Satheesha;
International Journal of Morphology , 2008, DOI: 10.4067/S0717-95022008000100017
Abstract: a rare case of unilateral third head of sternocleidomastoid muscle was noted during routine dissections for undergraduate medical students. the additional third head originated from the middle third of the clavicle and joined the normal two heads (sternal and clavicular) of the muscle in the middle of the neck. the insertion and nerve supply of the muscle was normal. this case may be important for head and neck surgeons and for plastic surgeons doing muscle graft surgeries.
A Rare Case of Unilateral Third Head of Sternocleidomastoid Muscle Un Caso Raro de una Tercera Cabeza Unilateral del Músculo Esternocleidomastoideo
Saju Binu Cherian,Satheesha Nayak
International Journal of Morphology , 2008,
Abstract: A rare case of unilateral third head of sternocleidomastoid muscle was noted during routine dissections for undergraduate medical students. The additional third head originated from the middle third of the clavicle and joined the normal two heads (sternal and clavicular) of the muscle in the middle of the neck. The insertion and nerve supply of the muscle was normal. This case may be important for head and neck surgeons and for plastic surgeons doing muscle graft surgeries. Un caso raro de una tercera cabeza unilateral del músculo esternocleido-mastoideo se observó durante disecciones de rutina para los estudiantes de medicina de pregrado. La tercera cabeza adicional se originó en el tercio medio de la clavícula y se unió a las dos cabezas normales (esternal y clavicular) del músculo en el medio del cuello. La inserción y e inervación del músculo fue normal. Este caso puede ser importante para los cirujanos de cabeza y cuello y para cirujanos plásticos que realizan cirugías de injerto muscular.
Curve Veering in Torsional Systems with Stepped Shafts  [PDF]
Mehdi Eshaghi, Rama Bhat
World Journal of Mechanics (WJM) , 2015, DOI: 10.4236/wjm.2015.55010
Abstract: In this study, the influence of geometrical parameters on the curve veering phenomenon in a tor-sional system with stepped shaft is investigated. Three approximate solutions including finite el-ement, Rayleigh-Ritz and discretization methods, along with an exact solution are employed to obtain the natural frequencies of the structure. The study reveals that, under specific circumstances, the results obtained by approximate methods are very close to the exact solution. The curve veering behavior is manifested irrespective of the method employed. It is concluded that for the structure studied the curve veering behavior is not because of the approximate techniques used to compute the natural frequencies, and is an inherent behavior of the structure.
Unravelling the Cipher of Indian Rupee’s Volatility: Testing the Forecasting Efficacy of the Rolling Symmetric and Asymmetric GARCH Models  [PDF]
Shalini Talwar, Aparna Bhat
Theoretical Economics Letters (TEL) , 2018, DOI: 10.4236/tel.2018.86079
Abstract: Modelling exchange rate volatility is crucially important because of its diverse implications on the profitability of corporations and decisions of policy makers. This paper empirically investigates exchange rate volatility of India’s currency by applying rolling symmetric and asymmetric GARCH models to the USDINR and EURINR daily exchange rates for a period spanning April 1, 2006 through January 31, 2018, resulting in total observations of 2861. To estimate GARCH (1,1) and EGARCH (1,1) models, the data window is rolled over five years with nearly 1200 observations and one month is used as forecast period for each window. Both, in-sample criteria like the log likelihood criteria, Akaike information criterion (AIC), the Bayesian information criterion (SIC) and Hannan Quinn criterion (HQC) as well as the out-of-sample criteria like Mean Squared Error (MSE) and Mean Absolute Error (MAE) have been used to test model fit and forecast accuracy of the models. To test the robustness of the findings, Diebold-Mariano test is used to compare the predictive accuracy of both the models. Further, the forecasting accuracy of the two models has also been tested by splitting the sample period into periods of tranquility and volatility in Indian exchange rate. Results show that GARCH (1,1) model with generalized error distribution is adequate to capture the mean and volatility process of USDINR and EURINR exchange rate returns.
A Classic Case of Annular Pancreas and its Clinical Implications
Nayak B,Satheesha; Mun Yooi,Ooi;
International Journal of Morphology , 2011, DOI: 10.4067/S0717-95022011000200043
Abstract: annular pancreas is a rare developmental anomaly where the head of the pancreas surrounds the second part of the duodenum like a ring. this may cause the duodenal constriction, obstruction, peptic ulcers and other complications. we saw a classic case of annular pancreas. the head of pancreas surrounded the second part of duodenum completely. however there was no narrowing of the duodenum. the case may be of importance for gastroenterologists, surgeons and radiologists.
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