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Characterization of Occipital Condyle and Comparison of its Dimensions with Head and Foramen Magnum Circumferences in Dry Skulls of Iran International Journal of Morphology
Bayat,Parvindokht; Bagheri,Mahdie; Ghanbari,Ali; Raoofi,Amir.
The occipital condyle (OC) is an important area in craniovertebral surgery, but its anatomical features and the procedures concerning the OC have not been studied in detail yet. The aim of this study was to revisit the anatomy of the occipital condyle region and assess variations of the surrounding structures. Observations, on fifty dry skulls (dried specimens, 100 sides) and determined of condyle measurements. The mean length, width and height of occipital condyle were found to be 19.43±3.27 (right), 19.28±3.57 (left), 9.21±1.97 (right) 9.40±1.87 (left), 7.21±1.9 (right) and 7.33±2.74 mm (left), respectively. There were significant differences between right and left occipital condyles. The mean anterior intercondylar distance and posterior intercondylar...
Tipo: Journal article Palavras-chave: Skull base; Foramen magnum; Occipital bone; Iran.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000200011
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Interparietal Bone Variations in Accordance with their Ossification Centres in Human Skulls International Journal of Morphology
Khan,Aaijaz Ahmed; Ullah,Muzammil; Asari,Mohd. Asnizam; Hassan,Asma.
The upper interparietal segment of the squamous part of the occipital bone develops in membrane and the lower supraoccipital part develops in cartilage. According to the available literature, the interparietal segment is ossified from 2 to 3 pairs of ossification centres and each of these centres has 2 nuclei. Interparietal bone is formed due to failure of fusion of these centres and/or their nuclei with each other. Many variations of interparietal bone have been reported by many investigators. In the present study, out of 25 human skulls studied, six skulls had some interesting variations of interparietal bones. Four interparietal bones were found in one skull, 2 interparietal bones were observed in another skull and the remaining four skulls had a single...
Tipo: Journal article Palavras-chave: Centre; Interparietal; Occipital bone; Ossification; Skull.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200031
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Morphological Analysis on the Occipital Condyles and Review of the Literature International Journal of Morphology
Aragão,José Aderval; de Santana,Guilherme Machado; da Cruz de Moraes,Rebeca Zelice; Aragão,Iapunira Catarina Sant'Anna; Aragão,Felipe Matheus Sant'Anna; Reis,Francisco Prado.
Most anatomical and biomechanical studies on the craniovertebral junction have involved morphological or morphometric analysis on the occipital condyles. Some of these studies have provided important findings based on different surgical procedures. The shape, size and angle of the occipital condyles and the locations of the intracranial and extracranial orifices of the hypoglossal canal are highly important because they may affect the lateral approaches to the craniovertebral junction. To determine the frequency of occurrence of different morphological types of occipital condyle. 214 occipital condyles in 107 dry human skulls were analyzed and the classification of their morphological types was determined through assessing digitized photographic images....
Tipo: Journal article Palavras-chave: Skull; Occipital condyle; Atlanto-occipital joint; Surgical anatomy; Craniofacial abnormalities; Morphology; Occipital bone.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300050
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Morphology and morphometry of the foramen magnum in Toy Poodle and Yorkshire terrier dogs Ciência Rural
Baroni,Carina Outi; Pinto,Ana Carolina Brandão de Campos Fonseca; Matera,Julia Maria; Chamone,Christina Mahrenholz Kaufmann; Hayashi,Ayne Murata.
The occipital dysplasia has been characterized by a dorsal enlargement of the foramen magnum which can vary in size and shape. Clinical signs may be present or not in animals with occipital dysplasia. The purpose of this study was to radiographically analyze the morphology and morphometry of the foramen magnum of thirty healthy dogs. This study chose to use fifteen Yorkshire terrier dogs and fifteen Toy Poodle dogs in order to characterize the radiographic aspects of the foramen magnum and contribute to the diagnosis and critical analysis of the occipital dysplasia importance. According to the foramen magnum morphology and tracings, it was possible to classify the radiographic aspects into different shapes varing from oval and quadrangular. Out of 26...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Foramen magnum; Occipital bone; Dysplasia; Poodle Toy; Yorkshire terrier.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782011000700021
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