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A Study on the Structure and Morphologic Development of Calcaneal Tendon and Triceps Surae Muscle in Human Fetuses during the Fetal Period and the Evaluation of Clinical Importance of Calcaneal Tendon International Journal of Morphology
Kadir,Desdicioglu; Ceren,Uguz; Busra,Sakalli; Esra,Koyuncu; Ali,Malas Mehmet.
It was aimed that the morphometric development of calcaneal tendon and the structures building it up in human fetuses during the fetal period be anatomically studied and that its clinical importance be evaluated. The study comprised a total of 102 fetus legs (51 human fetuses: 26 male and 25 female) whose ages varied between 15-40 gestational week, without external pathology or anomaly. The fetuses were divided in groups according to gestational weeks, trimesters and months. In the wake of the general external measurements of fetuses, leg dissection was performed. Afterwards, the morphometric parameters of gastrocnemius muscle, soleus muscle and calcaneal tendon were measured. The averages and the standard deviations of the measured parameters were...
Tipo: Journal article Palavras-chave: Fetal development; Morphometry; Calcaneal tendon; Anatomy.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000300019
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A Study on the Variations in the Formation of the Trunks of Brachial Plexus International Journal of Morphology
Shetty,Surekha D; Nayak B,Satheesha; Madahv,Venu; Braganza,Cilwyn Shalitha; Somayaji,S. N.
Brachial plexus shows several variations in its formation and branching pattern. Variations in the formation of the trunks are very rare. We studied 44 dissected specimens specifically for variations in the formation of the trunks of the brachial plexus. 5 cadavers (11.3%) showed variations in the formation of the trunks. All the variations were unilateral. In one cadaver (2.27%), the middle trunk was formed by union of C7 and C8 roots and lower trunk was formed by T1 root. Upper and middle trunks were fused with each other in one specimen (2.27%). In 3 specimen (6.81%), the C5 root pierced scalenus anterior before joining C6 to form the upper trunk. Knowledge of its variations is of importance to orthopedic surgeons, neurologists and anesthesiologists.
Tipo: Journal article Palavras-chave: Brachial plexus; Variation; Nerve; Trunks; Roots; Neck.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000200042
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A Study on the Variations of Size, Shape and External Features of the Spleen in South Indian Population International Journal of Morphology
Nayak B,Satheesha; Somayaji,S. N; Soumya,K. V.
The spleen is the largest lymphoid organ. It is wedge shaped and measures about 1 inch thick, 3 inches broad and 5 inches long. It presents characteristic notches on its superior margin and has a hilum on the visceral surface. The aim was to study the anomalies related to size, shape and external features of the spleen and discuss their clinical importance. As there are not many reports on variations in size shape and features of spleen in the South Indian population, we decided to do this study on cadaveric specimens. We observed 50 spleens fixed with 10% formalin. Among the 50 spleens observed, 25 spleens (50%) were normal and had all the features explained in the textbooks. 25 spleens (50%) did not have any notches on the superior margin, 2 spleens (4%)...
Tipo: Journal article Palavras-chave: Spleen; Anomaly; Variation; Splenic notch; Anatomy.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300001
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A Variation of Phrenic Nerve: Case Report and Review International Journal of Morphology
Prakash,; Prabhu,Latha V; Kumar,Jwalaram; Madhyastha,Sampath; Singh,Gajendra.
During routine dissection in the Department of Anatomy following anatomical variations of phrenic nerve were observed on right side in the neck region of a middle aged cadaver. The phrenic nerve in its early course close to its origin was giving a communicating branch to C5 root of brachial plexus and at the level of the root of neck just before entering the thorax, the phrenic nerve was placed anterior to the subclavian vein. This unique case of phrenic nerve variation gains tremendous importance in context of subclavian vein cannulation, implanted venous access portals, and supraclavicular nerve block for regional anesthesia
Tipo: Journal article Palavras-chave: Phrenic nerve; Neck; Anatomical variations.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000500029
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Abnormal Branch of External Iliac Artery in the Iliac Fossa International Journal of Morphology
Nayak B,Satheesha.
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.
Tipo: Journal article Palavras-chave: External iliac artery; Anatomical variation; Iliac fossa.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000200033
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Abnormal Branching of the Axillary Artery: Subscapular Common Trunk. A Case Report International Journal of Morphology
Saralaya,'Vasudha; Joy,Theresa; Madhyastha,Sampath; Vadgaonkar,Rajanigandha; Saralaya,Shruti.
An unusual unilateral variation in the branching pattern of axillary artery was observed in a 60 year oíd female embalmed cadáver. The axillary artery had only two branches arising from its proximal (first) part and no branches from its remaining distal (second & third) parts. The branches are superior thoracic (usual) and another large collateral (unusual) branch. This collateral branch is the origin of several important arteries as the circumflex scapular, thoracodorsal, posterior circumflex humeral, thoraco-acromial and lateral thoracic arteries. We propose to ñame this artery as common subscapular trunk. The course of this collateral artery (common subscapular trunk) and its branches and also clinical significance of this variation are...
Tipo: Journal article Palavras-chave: Axillary artery; Common subscapular trunk.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400029
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Abnormal Branching Pattern of the Axillary Artery and its Clinical Significance International Journal of Morphology
Ramesh Rao,T; Shetty,Prakashchandra; Suresh,R.
The increasing use of invasive diagnostic and interventional procedures in cardiovascular diseases makes it important that the type and frequency of vascular variations are well documented and understood. Sound knowledge of neurovascular variations is important for surgeons who remove axillary lymph nodes, to anesthesiologists, and orthopedic surgeons, considering the frequency of procedures done in this region. An unusual variation in the branching pattern of axillary artery was observed on the left side of a 60 year old female cadaver. In the present case the course and distribution of the first and second part of the axillary artery were normal. But a rare case of unusual origin of subscapular, anterior and posterior circumflex humeral, profunda brachii...
Tipo: Journal article Palavras-chave: Axillary artery; Subclavian artery; Brachial artery; Vascular variation.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000200022
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Absence of Inferior Gluteal Artery: A Rare Observation International Journal of Morphology
Reddy,Sreenivasulu; Ramana  Vollala  ,Venkata; Rao,Mohandas.
The gluteal region is an important anatomical and clinical area which contains muscles and vital neurovascular bundles. They are important for their clinical and morphological reasons. In this manuscript we report a rare case of absence of inferior gluteal artery. In the same specimen the superior gluteal artery was taking origin from the anterior division of internal iliac artery. The structures normally supplied by the inferior gluteal artery were supplied by a branch coming from the superior gluteal artery. The developmental and clinical significance of the anatomical variation is discussed
Tipo: Journal article Palavras-chave: Internal iliac artery; Inferior gluteal artery; Superior gluteal artery; Anatomical variation.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000100012
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Absence of Musculocutaneous Nerve Associated with Variations of Distribution Patterns of the Median Nerve International Journal of Morphology
Zhang,Yong; Yang,Shengbo; Yang,Fangjiu; Xie,Peng.
Variations in the brachial plexus and the distribution patterns of its branches are not uncommon. A communicating branch, which is the most frequent variation, often arises from musculocutaneous nerve to median nerve. However, the branches arising from lateral cord of the brachial plexus and median nerve instead of musculocutaneous nerve are very rare. Detailed description of the abnormalities is important for surgical procedures. Our case study reports the musculocutaneous nerve was absent, a branch from the medial cord innervated the coracobrachialis muscle and two branches from the median nerve innervated the biceps and brachialis muscles, respectively. Moreover, the median nerve gave off the lateral antebrachial cutaneous nerve. This report provides...
Tipo: Journal article Palavras-chave: Brachial plexus; Musculocutaneous nerve; Median nerve; Absence.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000200014
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Absence of the Arteria Profunda Femoris International Journal of Morphology
Otag,I; Çimen,M; Solak,O; Otag,A; Çimen,F. G; Kosar,M. I.
At arteria femoralis, arteria profunda femoris is the main branch feeding the thigh. After iliofemoral embryological evolution many variations can be seen in this vessel. The absence of a. profunda femoris is one of the rare seen variation among these variations. Knowing the anatomy and variations of a. profunda femoris well, is important in low extremity ischemia, vessel surgery and angiography applications. In this study, 1036 films belonging to low extremity found in the Radiology department of School of Medicine of Cumhuriyet University were examined as retrospective. Among these films at four of them of male cases, absence of a. profunda femoris was detected. In cases at ages of 32, 37, 47 and 53 respectively, in the first and second case at the right...
Tipo: Journal article Palavras-chave: Arteria profunda femoris; Arteria femoralis; Variation; Angiography.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000200012
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Absorption Levels and Morphological Features of Fetal Organs in Wistar Rats Treated with Lead Acetate International Journal of Morphology
Bomfim,Kátia Michelle dos Anjos; Garcia,Carlos Alexandre Borges; Reis,Francisco Prado; Palmeira,José Arnaldo Vasconcelos; Scher,Ricardo; de Lucca Júnior,Waldecy; Aragão,José Adeval; Vasconcelos,Francis Lima; Albuquerque Júnior,Ricardo Luiz Cavalcanti; Feitosa,Vera Lúcia Corrêa.
Lead is one of the heavy metals most used in industry. Poisoning due to long-term lead exposure is known as saturnism, and is an occupational illness that has been known for many years. Lead is highly toxic and can compromise the structural and functional patterns of organs and systems. The aim of this study was to examine the lungs and kidneys of fetuses from female Wistar rats exposed to lead acetate. In this study, the lungs and kidneys of 20 fetuses from female rats that had previously been treated with lead acetate were dissected, fixed, embedded in paraffin and stained with hematoxylin and eosin. Macroscopic changes to the shape, color and consistency of organs from fetuses treated with this heavy metal were observed, in comparison with organs from...
Tipo: Journal article Palavras-chave: Lead acetate; Fetuses; Lung; Kidney.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000100021
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Academic Achievement and Perception of Two Teaching Methods in Histology: Light Microscopy and Digital Systems International Journal of Morphology
Becerra G,Daniela; Grob L. P,Melisa; Rodríguez R,Ángel; Barker M,María José; Consiglieri L,Lucas; Ferri G,Giorgio; Sabag S,Natividad.
With the advent of digital systems, the role of the microscope as an irreplaceable instrument in the practical teaching of histology has been called into question. In this study academic performance and student perception for three learning methods was compared: digital systems, microscopy, and microscopy plus digital systems, in the muscle tissue unit of the morphology course for first-year dentistry at the Universidad de los Andes, Santiago, Chile. Ninety-five students were divided into 3 groups: Group 1: individual optical microscopy, Group 2: digital systems (one projector per room), and Group 3: microscopy plus digital systems. All participants observed the same striate muscle, cardiac striated muscle, and smooth muscle mounts. Their diagnostic...
Tipo: Journal article Palavras-chave: Medical education; Histology; Visual learning; Virtual slides; Microscopy.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000300001
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Accessory Head of Flexor Pollicis Longus Muscle and its Significance in Anterior Interosseous Nerve Syndrome: Case Report and Review International Journal of Morphology
Potu,Bhagath Kumar; Gorantla,Vasavi Rakesh; Pulakunta,Thejodhar; Rao,M. S; Mamatha,T; Vollala,Venkata Ramana; Nayak,S. R.
During the laboratory dissection of the fore arm, an accessory head of flexor pollicis longus muscle has been observed unilaterally in the right upper limb of a male cadaver. It took its origin from the under surface of flexor digitorum superficialis muscle just distal to the origin of this muscle from medial epicondyle. On further dissection we have noticed that, the accessory belly was running downwards to the medial aspect of the tendon of flexor pollicis longus muscle for its insertion. Its possible role in anterior interosseous syndrome is discussed in detail with a brief review
Tipo: Journal article Palavras-chave: Anatomy; Anatomical variation; Flexor pollicis longus muscle.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000400037
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Accessory Hepatic Artery Arising from Celiac Trunk: An Incidence in a Thai Cadaver International Journal of Morphology
Chanasong,Rachanee; Putiwat,Phongpitak; Roboon,Jureepon; Sakulsak,Natthiya.
An exhaustive knowledge of the liver vascular patterns as well as possible anatomical variations is significant in the planning and performance of all liver surgical procedures in order for the vascularity not to be disturbed or not causing necrosis of the liver parenchyma postoperatively. The celiac trunk usually provides three branches; left gastric, splenic and common hepatic arteries. The left and right hepatic arteries generally derive from proper hepatic artery which is a branch of common hepatic artery. To study the incidence of celiac trunk ramification, the branching patterns of the celiac trunk of 23 Thai cadavers (17 males, 6 females) were documented during routine dissection by medical students at the Department of Anatomy, Faculty of Medical...
Tipo: Journal article Palavras-chave: Accessory hepatic artery; Celiac trunk; Thai cadaver.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000400002
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Accessory Mental Foramina Assessed by Cone-Beam Computed Tomography: Report of Unilateral and Bilateral Detection International Journal of Morphology
Garay,Ivonne; Cantín,Mario.
Accessory mental foramen (AMF) is a rare anatomical variation with particular importance in local anesthesia and surgical procedures, especially the placement of dental implants. We report the cases of two adult patients, which were referred for Cone-Beam Computed tomography (CBCT) evaluation, which revealed the presence of three AMFs connected to the mandibular canal, one case with one AMF on the right side unilaterally, and another case was bilateral. The mean diameter measured for the AMFs was 1.23 (±0.45) mm, and the mean distance from the mandibular foramen to the AMF was 3.3 (±1.5) mm, with the AMF located in the premolar area superiorly or distally to the MF. CBCT is an effective tool for tridimensional assessment of AMF. A CBCT should be obtained...
Tipo: Journal article Palavras-chave: Accessory mental foramen; Anatomical variation; Mental foramen; Cone-beam Computed tomography.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000300052
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Accessory Muscles: A Cause of Nerve Compression in the Distal Forearm. Case Report and Literature Review International Journal of Morphology
Román Veas,Javier; Ruiz Conrads,Pedro; Braga Silva,Jefferson.
Nerve compression by anomalous muscles located at the wrist and distal forearm is an infrequent condition. Accessory muscles may compress underlying structures in the Carpal Tunnel region or ulnar canal , producing pain and paresthesia. Two cases of ulnar and median nerve compression, caused by prominent accessory muscles at the distal forearm, are described. Literature review is presented.
Tipo: Journal article Palavras-chave: Muscles; Nerve Compression Syndromes; Anatomic Variation.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000100015
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Accessory Tendon and Tripartite Insertion Pattern of Fibularis Longus Muscle: A Case Report International Journal of Morphology
Jayakumari,S; Suri,R. K.; Rath,G; Arora,J.
The fibular muscles are the chief everters of foot and play an important role in stabilizing its subtalar motion. In the present case detected incidentally, we report a case of an accessory tendon and tripartite insertion pattern of fibularis longus muscle in the left leg, out of which two slips were attached to plantar and lateral aspects of base of first metatarsal and the third slip was found blending with first dorsal interosseous muscle. Awareness and precise knowledge of such anatomical variants are important to surgeons performing reconstructive procedures
Tipo: Journal article Palavras-chave: Fibularis longus muscle; Accessory tendon; Tripartite insertion.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000500019
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Acción Antimicrobiana in vitro de la Miel de Abejas sobre los Microorganismos Cariogénicos Estreptococos del Grupo mutans International Journal of Morphology
Salazar,Luis A; Medina,Felipe; Donoso,Francisco; Barrientos,Leticia; Sanhueza,Antonio.
En el presente estudio fue evaluada la actividad antimicrobiana in vitro de cuatro muestras de mieles producidas en nuestro país, sobre los recuentos de estreptococos del grupo mutans, en escolares con alto riesgo de caries dental. Se obtuvieron muestras de saliva de 20 escolares, con edades entre 12 y 14 años, pertenecientes a la ciudad de Temuco, Región de La Araucanía (Chile). El recuento de estreptococos del grupo mutans en saliva fue estimado por el método microbiológico semi-cuantitativo Linoscreen®. La evaluación de la acción antibacteriana de la miel se realizó en 9 escolares que presentaron los recuentos más elevados de estreptococos del grupo mutans, utilizando concentraciones de miel entre 5% y 35%. Los datos mostraron que el 100% de los niños...
Tipo: Journal article Palavras-chave: Caries; Estreptococos del grupo mutans; Actividad antibacteriana; Miel.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100014
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Acción del Etanol sobre el Epitelio Nasal y Glándulas Septales de Ratas, Durante la Lactancia International Journal of Morphology
Marcondes de Godoy,Marcos; Lopes,Ruberval A.; Sala,Miguel A.; Vinha,Dionísio; Regalo,Simone C. H..
El consumo materno de etanol durante la lactancia altera la composición de la leche, provoca la aparición de etanol y acetaldehído en la leche y agrava los efectos del etanol en las crías de ratas. De este modo, fueron estudiados los efectos del etanol, administrado a las ratas madres durante la lactancia, sobre el epitelio respiratorio y en las glándulas septales anterior y posterior de las crías lactantes con 21 días de vida postnatal. Las ratas recibieron etanol al 20% en el bebedero, ad libitum durante los 21 días que amamantaron. Los controles recibieron un volumen similar de agua sin alcohol. Las crías fueron sacrificadas en el 21 día. Las cabezas fueran cortadas frontalmente. Los cortes seriados de 6 µm de grosor fueron teñidos con hematoxilina y...
Tipo: Journal article Palavras-chave: Alcoholismo; Cariometría; Estereología; Epitelio Respiratorio; Glándulas Septales; Lactancia; Rata.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022005000400002
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Accuracy in the Diagnosis of the Mental Nerve Loop: A Comparative Study Between Panoramic Radiography and Cone Beam Computed Tomography International Journal of Morphology
Couto-Filho,Carlos Eduardo Gomes do; Moraes,Paulo Hemerson de; Alonso,Maria Beatriz Carrazzone; Haiter-Neto,Francisco; Olate,Sergio; Albergaria-Barbosa,José Ricardo de.
Dental implant and chin osteotomy are executed on the mandible body and the mental nerve is an important anatomical limit. The aim of this research was to know the position of the mental nerve loop comparing result in panoramic radiography and cone beam computed tomography. We analyzed 94 hemimandibles and the patient sample comprised female and male subjects of ages ranging from 18 to 52 years (mean age, 35 years) selected randomly from the database of patients at the Division of Oral Radiology at Piracicaba Dental School State University of Campinas; the anterior loop (AL) of the mental nerve was evaluated regarding the presence or absence, which was classified as rectilinear or curvilinear and measurement of its length was obtained. The observations...
Tipo: Journal article Palavras-chave: Panoramic radiography; Cone-beam computed tomography; Mental nerve loop.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100051
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