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Human anatomy, including structure and development and practical considerations . lel to the longitudinal fissure to within i8mm. (^ ;?4 in.; of the fissure of Rolando. Tlie inferior frontal sulcus is represented,appro.ximately, by the anterior end of the temporal ridge. In the parietal lobe the most imjjortant sulcus is the intraparietal. It beginsnear the horizontal limb of the fissure of Sylvius, and passes upward and backwardabout midway between the fissure of Rolando and the parietal eminence. It thenturns backward, running about midway to the longitudinal fissure and the centreof the par

Human anatomy, including structure and development and practical considerations . lel to the longitudinal fissure to within i8mm. (^ ;?4 in.; of the fissure of Rolando. Tlie inferior frontal sulcus is represented,appro.ximately, by the anterior end of the temporal ridge. In the parietal lobe the most imjjortant sulcus is the intraparietal. It beginsnear the horizontal limb of the fissure of Sylvius, and passes upward and backwardabout midway between the fissure of Rolando and the parietal eminence. It thenturns backward, running about midway to the longitudinal fissure and the centreof the par Stock Photo
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Contributor:

The Reading Room / Alamy Stock Photo

Image ID:

2AWD193

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7.2 MB (241.6 KB Compressed download)

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Dimensions:

1581 x 1581 px | 26.8 x 26.8 cm | 10.5 x 10.5 inches | 150dpi

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Human anatomy, including structure and development and practical considerations . lel to the longitudinal fissure to within i8mm. (^ ;?4 in.; of the fissure of Rolando. Tlie inferior frontal sulcus is represented, appro.ximately, by the anterior end of the temporal ridge. In the parietal lobe the most imjjortant sulcus is the intraparietal. It beginsnear the horizontal limb of the fissure of Sylvius, and passes upward and backwardabout midway between the fissure of Rolando and the parietal eminence. It thenturns backward, running about midway to the longitudinal fissure and the centreof the parietal eminence. Above the sulcus, in front, lies the ascending parietalconvolution, just posterior to the fissure of Rolando and behind the superior pari-etal lobule. Below the sulcus, anteriorly, is the supramarginal convolution, andposteriorly, the angular gyrus. Fig. 1045. Bregma entricle Middle meningealartery-, anteriorbranch Posterior horn oflateral ventricle (II Inion Lateral sinus Middle meningeal artery, posteriorbranch ; inferior horn of lateralventricle seen beneath. Semidiagrammatic view of head, showing position of ventricles, lateral sinus and middle meningeal arteries as projected on skull. The temporal lobe lies below the fissure of Sylvius and extends forward as far asthe edge of the malar bone. The first temporal sulcus lies about one inch below andparallel with the fissure of Sylvius, and the second about 18 mm. ( 3/j; in.) lower. The occipital lobe lies posterior to the parieto-occipital fissure and the tem-poral lobe. The motor tracts are made up of the fibres passing from the motor portion ofthe corte.x in the Rolandic region to the motor nuclei from which arise the nervessupplying the muscles which the cortical areas control. After leaving the cortex thefibres pass downward in the corona radiata, and converge to the posterior limb of theinternal capsule. The motor fibres of the cortico-bulbar and cortico-spinal tracts, occupy the genu and adjacent third of

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