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Registros recuperados: 18
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Accuracy of Palate Shape as sex Indicator in Human Skull with Maxillary Teeth Loss International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
In forensic medicine, diagnosis of sex is the first step in the identification of human skulls. A first approximation is carried out via the qualitative analysis of a series of morphological indicators of sexual dimorphism. Classical studies (Krogman & Iscan, 1986) described 14 indicators for the diagnosis of sex with an accuracy of 90%, and one of these indicators is the shape of the palate. This study analyzed the effect of the loss of teeth on the accuracy of the diagnosis of sex in Brazilians adult skulls, using the shape of the palate as an indicator. We used 98 skulls of adult Brazilians, comprising 35 females and 63 males with an average age of 39.3 years (SD 7.8). The skulls were classified into two groups, namely the fully edentulous...
Tipo: Journal article Palavras-chave: Sexual Dimorphism; Sex determination; Palate; Tooth loss.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400034
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Anatomical Study of the Pterygospinous and Pterygoalar Bony Bridges and Foramens in Dried Crania and its Clinical Relevance International Journal of Morphology
Suazo Galdames,Iván; Zavando Matamala,Daniela; Smith,Ricardo Luiz.
The ossification of the intrinsic ligaments of the sphenoid bone has been reported in the literature. The presence of bony bridges by ossification of the pterygospinous and pterygoalar ligaments has clinical significance in the infratemporal fossa contents. The purpose of this study is to analyze the prevalence of ossification of these ligaments and assess morphometrically the pterygospinous (Civinini's) and pterygoalar (crotaphitico-buccinatorius) foramens. A total of 312 human skulls from the collection of Universidade Federal de São Paulo (UNIFESP) were used to assess the presence of total or partial ossification in pterygospinous (Types I and II) and pterygoalar (Types III and IV) ligaments. Of the sample, 37.18% had some degree of ossification; in...
Tipo: Journal article Palavras-chave: Pterygospinous ligament; Pterygoalar ligament; Infratemporal fossa; Foramen ovale; Porus crotaphitico-buccinatorius.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000200012
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Asymmetry of Human Skull Base During Growth International Journal of Morphology
Russo,Priscilla Perez; Smith,Ricardo Luiz.
Knowledge about human skull asymmetry in normal dry specimens is useful as a parameter for medical and dentistry practice. Skull base was investigated with the objective to validate the method of indirect measurement with digital pictures and to evaluate the degree of asymmetry from human skull base in different ages. We analyzed 176 normal identified human skulls, divided by age in the following groups: Fetuses, newborn, children and adults. Measures were taken from a central point: pharyngeal tubercle and 4 lateral points: foramen ovale, foramen spinosum, carotid canal and stylomastoid foramen using digital biometry after a comparative validation with directed method performed with caliper. Results were presented as asymmetry indexes and data were...
Tipo: Journal article Palavras-chave: Anatomy; Asymmetry; Growth; Skull.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300062
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Blind Test of Mandibular Morphology with Sex Indicator in Subadult Mandibles International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
Loth & Henneberg (2001) indicated that it was possible determine the sex with a high degree of accuracy (81 %) in mandibles of children by observing the shape of the mandibular body. The purpose of this study was to evalúate in mandibles of Brazilians subadults the proposed method consistency; were used mandibles of 33 Brazilian children between 0 and 1 year of age, known sex, belonging to the coUection of skulls of the Federal University Sao Paulo (UNIFESP). We performed a blind test in two sessions by one observer based on the parameters descnbed by Loth & Henneberg. The results show between 57.5 and 60.5% of accuracy, being the most sensitive test for determining male (70%) than for females (38-46%). The results presented are lower than...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Determination of sex; Subadults; Mandible.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400011
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Bronchial tree Architecture in Mammals of Diverse Body Mass International Journal of Morphology
Monteiro,Adilson; Smith,Ricardo Luiz.
The anatomy of mammal's lung air space constitutes the bronchial tree which disposition is associated to air flux dynamics. Casts obtained from human, pig and rat lungs were studied to analyze possible differences of the bronchial tree architecture in mammals with diverse dimensions and posture. Air spaces were filled with polymers through trachea followed by acid corrosion. Tracheal and main bronchial division's diameters were measured to relate with body mass using allometry. The results revealed a dichotomic bronchial branching pattern in the human casts and a monopodial pattern in animals. In allometric relationship trachea was larger in rats, then pigs and lastly in humans, differences were statistically significant, the same occurs in right bronchus,...
Tipo: Journal article Palavras-chave: Bronchia; Anatomy; Human; Pig; Rat.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000100050
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CHORDAE TENDINEAE ARCHITECTURE IN THE PAPILLARY MUSCLE INSERTION International Journal of Morphology
Wang Gusukuma,Luciana; Prates,José Carlos; Smith,Ricardo Luiz.
Chordae tendineae architecture and their junction with papillary muscle were studied with scanning electron microscopy, comparing human and swine hearts. Papillary muscles with the corresponding chordae tendineae were obtained from human and pig (Sus scrofa) hearts after exposition of the left ventricle cavity, fixed with 4% formaldehyde. The specimens were sectioned in small samples and divided in four groups, a control one and the others submitted to digestion in a solution of 2.5% sodium hypochlorite in saline solution during 5, 10 and 15 minutes respectively. The specimens were washed and fixed in 1% osmium tetroxide in cacodylate buffer, kept in 1% tannic acid for 30 minutes, dehydrated and critical point dried, mounted and sputtered with gold. The...
Tipo: Journal article Palavras-chave: Chordae tendineae; Architecture; Human; Pigs; Scanning electron microscopy.
Ano: 2004 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022004000400005
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¿Es Posible la Determinación de la Afinidad Racial a Partir del Análisis Biométrico de Cráneos Humanos? International Journal of Morphology
Zavando,Daniela; Suazo Galdames,Iván Claudio; Smith,Ricardo Luiz.
Del cráneo humano se obtienen datos métricos para el diagnóstico de sexo, edad y afinidad racial. El propósito de este estudio fue determinar, por medio de dimensiones lineales faciales y craneales, una función discriminante e identificar aquellas dimensiones más útiles, para predecir el color de piel a partir de cráneos. Se analizaron 208 cráneos de la colección de la Universidade Federal de São Paulo, pertenecientes a individuos con afinidad racial para blanco, negro y mulato, de acuerdo al registro. Se determinaron las siguientes dimensiones: Biéurica, Glabela-Opistocráneo, Basion- Bregma, Nasion- Prostion, Bicigomática, ancho máximo de la apertura piriforme y la distancia Nasion-Espinal. Se realizó un análisis estadístico con ANOVA de un factor, test...
Tipo: Journal article Palavras-chave: Cráneo; Raza; Color de piel; Análisis Discriminante; Dimensiones Craneales; Dimensiones Faciales.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300004
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Evaluating Accuracy and Precisión in Morphologic Traits for Sexual Dimorphism in Malnutrition Human Skull: a Comparative Study International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
One of the most important purposes of anthropological studies of human skeletons protocol is the determination of sex. Some skulls may be wrongly classified due to systemic conditions presented during the life of individuáis who affected the muscle forces that act on bones, as is the case of severe malnutrition. The purpose of this study is to analyze the effect of severe malnutrition on morphological determinan ts of sexual dimorphism classically studied in the visual analysis of the skull. 163 human skulls were analized with sex, age and cause of death known, belonging to the collection of Universidad Federal de Sao Paulo (UNIFESP). We performed visual inspection of the skull and diagnosis of sex based on size and overall architecture of the skull, an...
Tipo: Journal article Palavras-chave: Sexual Dimorphism; Determination of sex; Severe malnutrition.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400015
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Evaluation of the Baudoin Condylar Index Diagnostic Test for Sex Determination International Journal of Morphology
Suazo Galdames,Iván; Zavando M,Daniela; Russo,Priscila; Smith,Ricardo Luiz.
This article analyzes the performance of diagnostic tests for sex determination by examining human skulls, using the Baudoin condylar index. For this study, 215 skulls were examined, and the maximum dimensions (length and width) of the right and left occipital condyles, were noted. With these data, we calculated the Baudoin condylar index and determined the level of agreement between the values for the left and the right side, the sensitivity of the method, the accuracy of the tests and the positive predictive value for each sex. The level of agreement in the diagnosis based on both sides was 65.58% (of which 83.09% were of women, and 63.88% were of men). The overall accuracy was 41.39%, and a greater sensitivity was seen in women (52.1% right side and...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Sex determination; Occipital condyles; Baudoin Index; Condylar index.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000100024
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Expression and Distribution of Kinin B2 Receptor in Medulla and Spinal Cord Tissues of Rats Treated with Capsaicin International Journal of Morphology
de França,Camilla Estevão; Guardabassi,Carla; Smith,Ricardo Luiz.
Kinins are vasoactive peptides that promote pain and inflammation, yet centrally believed to participate to cardiovascular defensive reflexes produced by noxious stimuli. These peptides signal through the activation of two transmembrane G-protein-coupled receptors named B1 and B2 receptors (B1R and B2R). The B2R is constitutive in healthy tissues and animals. The aim of the study was to measure the gene and protein expression of B2R kinin receptors in central and peripheral tissues isolated from control rats and rats were pre-treated with capsaicin on the second day of life (50 mg/kg, s.c.) or two weeks prior to sacrifice (125 mg/kg over three days, s.c.). The same treatment with saline was made in control animals. Levels of mRNA for B2R were measured by...
Tipo: Journal article Palavras-chave: Medulla; Spinal Cord; Rats; Kinin receptor B2; Capsaicin.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000400047
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Is the Conduct of Serres an Anatomical Variation in Adults? International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
In 1817, the denominated conduct of Serres was described as a formation that was highly prevalent in children's jaws, but considered as an anatomical variation in adults. In this study we analyze the presence of the denominated Serres'- conduct in 324 jaws belonging to the collection of the Universidade Federal de Sao Paulo (UNIFESP), with sex and age registration, 68 subadults of age between 0 and 2 years and 256 adults of age between 18 and 100 years. We found that the prevalence was in order to 100% in the subadults group and 42.6% in the adults group. In adults, the prevalence of this anatomical structure was greater in women than in men, with a difference statistically significant for the variable sex (Chi2 = 0.0148; I.C 95%=0.29-0.91; O.R. =0.51)....
Tipo: Journal article Palavras-chave: Conduct of Serres; Jaws; Anatomical variation; Anatomical terminology.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100008
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Ossification of the Sella Turcica and Clinoid Ligments: Case Report, Morphological Study and Literature Review International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The morphology of the Sella Turcica is important both as a reference in cephalometric studies and in the pituitary gland, internal carotid artery and cavernous sinus surgical boarding. The present report describes a case of partial ossification of the sella turcica walls in a dry skull of 40-year-old Brazilian individual. We analyze the morphometric characteristics of the región.
Tipo: Journal article Palavras-chave: Sella turcica; Pituitary; Carotid aneurysm; Interclinoid ligament.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400002
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Performance Evaluation as a Diagnostic Test for Traditional Methods for Forensic Identification of Sex International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
This study assesses the quality, as a diagnostic test, of the main indicators of morphological sexual dimorphism through direct anthropometry, biostatistics tools and clinical epidemiology. This study used 284 skulls of adult Brazilians, of which 187 were male and 97 female. A study of the cross-evaluation of the diagnostic test was performed; it was a qualitative approach based on visual examination of 16 traditional indicators of morphological sexual dimorphism, where each indicator determined the level of accuracy, sensitivity, predictive values, likelihood ratios, and odds ratio. All indicators studied had high levels of accuracy (84.75­72.89%). The best indicators were found in traits whose formation is related to the insertion and action of major...
Tipo: Journal article Palavras-chave: Forensic anthropology; Sex identification; Sexual dimorphism; Diagnosis test.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000200012
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Sex Determination in Mandibles in the First Year of Life by a Quantitative Approach International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
Numerous studies have shown that skeletal characteristics vary among different populations. Several authors suggest that it is possible to determine sex through the anatomical evaluation of children mandible, however there are few morphometrical studies conducted with such specimens. The purpose of this study was to analyze several mandibular dimensions and identify the ones that could be useful to perform sex differentiation in a sample of Brazilian young children. For this study we used 32 children dry mandibles of known sex, age ranging from 0 to 1 year old. The mandibles pertain to the collection of the Skull Museum of the Universidade Federal de Sao Paulo (UNIFESP). The parameters included bicondilar width, bigonial width, minimum width and height of...
Tipo: Journal article Palavras-chave: Sexual Dimorphism; Sex determination; Infants; Mandibles.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100020
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Sex Determination Using Mastoid Process Measurements in Brazilian Skulls International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The mastoid process characteristics are of great utility in the diagnosis of sex. De Paiva & Segre (2003) described that sex diagnosis was possible based on the determination of the área of the triangle formed by the points porion, mastoidale, and asterion. The purpose of this study was to determine the existence of sexual dimorphism in the dimensions and the área of the mastoid triangle using statistical and discriminant function analysis. A total of 81 skulls of Brazilian individuáis that were part of the Museum of the Federal University of Sao Paulo (UNIFESP) collection were used, with sex and ages known: 50 men and 31 women between 40 and 70 years of age (mean 51.58 years, SD 7.319). Most of the lineal dimensions and the calculated áreas were...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Sex determination; Mastoid process; Forensic anthropology.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400025
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Sexual Dimorphism Determination by Piriform Aperture Morphometric Analysis in Brazilian Human Skulls International Journal of Morphology
Cantín López,Mario; Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The sex determination of human skeletons is important in forensic and anthropological research. It can be carried out through qualitative or quantitative analysis of morphological parameters of dimorphism. The shape of the piriform aperture is one of the classic indicators of sexual dimorphism since it describes differences between males and females according to strong population-specific behavior. The purpose of this study was to analyze the presence of sexual dimorphism in the size of the piriform aperture and its relationship with individual skin color. We used 90 human skulls from the Collection of the Federal Universidad de Sao Paulo (UNIFESP), with registered data on sex, age and skin color (classified as white, black and brown). The dimensions...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Piriform aperture; Skulls.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000200007
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Sexual Dimorphism Determination from the Lineal Dimensions of Skulls International Journal of Morphology
Zavando Matamala,Daniela Alejandra; Suazo Galdames,Iván Claudio; Smith,Ricardo Luiz.
The sex determination from human skulls can be made by means of morphologic and morphometric methods have been broadly studied. These methods contribute with objective data; however, they present interpopulational variability. The purpose of this article is to determine sexual dimorphism using lineal dimensions in a sample of human skulls collection belonging to the Universidade Federal de Sao Paulo (UNIFESP), calculating the discriminant function. To complete the selection approaches, 226 skulls were analyzed. Mensurements were carried out among the following reference points of the skull: right Eurion- left Eurion (Eu - Eu), Glabella-Opisthocranion (Gla - Op), Basion - Bregma (Ba-Br), Nasion - Prosthion (Na-Pr), Bizigomatic (Zi-Zi), Maximal width of the...
Tipo: Journal article Palavras-chave: Craniometries points; Skull; Sexual dimorphism; Discriminant function.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100024
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Sexual Dimorphism in the Foramen Magnum Dimensions International Journal of Morphology
Suazo Galdames,Iván Claudio; Perez Russo,Priscilla; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The purpose of this study is to assess the presence of sexual dimorphism in the foramen magnum size. We analyzed 211 human skulls from the collection of the Universidade Federal de Sao Paulo, with a record of sex and age determined using anteroposterior and transverse diameters of foramen magnum, and their differences by gender (p<0.05) were ascertained. Fischer linear discriminant function was calculated and the value for the classification of these variables was determined. All the dimensions were found to be higher, and in men's skulls, the foramen magnum size had low discriminating power and were accurately classified only in 66.5% skulls. Our results show that this quantitative indicator is of limited practical value and should be supplemented with...
Tipo: Journal article Palavras-chave: Foramen magnum; Determination of sex; Sexual Dimorphism; Anthropometries; Fischer discriminant function.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100003
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