Ontogenetic changes in cranial vault thickness in a modern sample of <i><scp>H</scp>omo sapiens</i>

Anzelmo, Marisol; Ventrice, Fernando; Barbeito‐Andrés, Jimena; Pucciarelli, Héctor Mário; Sardi, Marina Laura

doi:10.1002/ajhb.22673

Cited by 28 publications

(40 citation statements)

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“…In their second study, the parietal boss was recognized as the thickest while the posterior inferior part was the thinnest (Peterson and Dechow, ). Anzelmo et al () identified the thickest regions of the parietal bone along the midline in the upper parts of the bone, while the thinnest regions appear to be the lateral walls and the lower parts of the cranial bones. These findings are in agreement with the results of the present study, in which the upper parts tend to be thicker, while the lower parts of the parietal bone tend to be thinner.…”

Section: Discussionmentioning

confidence: 99%

“…Skrzat et al () observed some differences in the diploe density of younger and older adults due to a reduction in calcium concentration. No significant sexual differences have been described in CVT (Ross et al, ; Lynnerup, ; Lynnerup et al, ; Torres‐Lagares et al, ; Sabancıoğulları et al, ; Anzelmo et al, ).…”

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confidence: 99%

“…Several studies have pointed out that CVT differs not only among hominids (e.g., Kennedy, 1991;Nawrocki, 1991;Gauld, 1996;Balzeau, 2013) but also among modern human populations (Curnoe, 2009;Marsh, 2013). Bone thickness is assumed not to be strongly genetically determined, but is mainly influenced by systemic and local stimuli (e.g., Lieberman, 1996;Baab et al, 2010;Menegaz et al, 2010;Anzelmo et al, 2014).…”

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confidence: 99%

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Parietal Bone Thickness and Vascular Diameters in Adult Modern Humans: A Survey on Cranial Remains

Eisová

Lázaro

Píšová

et al. 2016

The Anatomical Record

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4 Katedra antropologie a genetiky člov eka, Univerzita Karlova, Czech Republic 5 Antropologick e odd elen ı P r ırodov edeck eho muzea, Narodnı Muzeum, Prague, Czech Republic ABSTRACT Cranial bone thickness varies among modern humans, and many factors influencing this variability remain unclear. Growth hormones and physical activity are thought to influence the vault thickness. Considering that both systemic factors and energy supply influence the vascular system, and taking into account the structural and biomechanical interaction between endocranial vessels and vault bones, in this study we evaluate the correlation between vascular and bone diameters. In particular, we tested the relationship between the thickness of the parietal bone (which is characterized, in modern humans, by a complex vascular network) and the lumen size of the middle meningeal and diploic vessels, in adult modern humans. Our results show no patent correlation between the thickness of parietal bone and the size of the main vascular channels. Values and distributions of the branching patterns, as well as anatomical relationships between vessels and bones, are also described in order to provide information concerning the arrangement of the endocranial vascular morphology. This information is relevant in both evolutionary and medical contexts. Anat Rec,

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Parietal Bone Thickness and Vascular Diameters in Adult Modern Humans: A Survey on Cranial Remains

Eisová

Lázaro

Píšová

et al. 2016

The Anatomical Record

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“…Despite the profuse number of investigations regarding the cranium microstructure and histology using noninvasive-nondestructive analytical protocols, such as scanning electron microscope (SEM) (Kranioti et al, 2009;Martínez-Maza, 2007;Martínez-Maza et al, 2006, 2011Mowbray, 2005), computed tomography (CT) (Anzelmo et al, 2014), micro-computed tomography (CT) (Rühli et al, 2007) and synchrotron absorption-based CT (Sanchez et al, 2012), conventional histological techniques used to assess bone tissue through bone thin sections (e.g., Enlow, 1968), could aid in better understanding human cranium ontogeny and the evolution of the cranium (Bartsiokas, 2002;Martínez-Maza et al, 2006). The present study focused on the histological analysis of cranial vault bones, in which we explored the microstructure of the frontal, parietal and occipital bones of three individuals from the same osteoachaeological collection with different ages (child, adolescent and young adult).…”

Section: Introductionmentioning

confidence: 99%

Investigating histomorphological variations in human cranial bones through ontogeny

Gil

Cambra‐Moo

Gil

et al. 2016

Comptes Rendus Palevol

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a b s t r a c tThrough ontogeny, human cranial vault bones undergo differentiation in terms of their shape, size and tissue maturation. This differentiation is visible at both the macroscopic and microscopic levels. Preliminary data from a histological and compartmentalisation exploratory analysis of individuals with different ages suggest differences in the modelling and remodelling patterns through ontogeny. Child vault bones are primarily composed of avascular lamellar bone (largely vascularised), late juvenile or adolescent bones present the largest extension of mineralised areas (highly remodelled) and the lowest vascularisation (diploe is highly reduced), and the adult present highly vascularised bone in which the diploe is again largely extended. During childhood, the existence of an avascular lamellar bone promotes the sealing of the cranium bones surfaces whereas adult vault bones seem to become opened ectocranially due to the remodelling. We discuss the possibility that both effects could be related with the head thermoregulation.

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“…Compared to normal anatomical variations of the vault thickness [11,14,16], the pronounced asymmetry of the parietal bones and the marked thinning of the parasagittal posterior part of the parietal bones suggested pressure exerted from above by a headdeforming device, while the lack of regular occipital thickening anteroposteriorly towards the external occipital protuberance suggested pressure exerted from behind by a headdeforming device.…”

Section: Discussionmentioning

confidence: 98%

Variations in the Thickness of the Cranial Vault in a Deformed Skull from Pre-Hispanic Ancón (Peru)

Boman¹,

Froment

Charlier³

2016

BMSAP

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A medical tomodensitometric study (TDM) was performed on a dry skull from the necropolis of Ancón in Peru. The skull, housed at the Muséum national d'histoire naturelle in Paris, displays an anteroposterior, brachycephalic, oblique, asymmetric, and bilobar deformation. TDM permitted 3-D reconstructions of the skull, endocranium, and vault thickness. The external surface displayed deformation and asymmetry in the bone structures and the endocranium demonstrated deformation and asymmetry in the brain lobes and superficial structures. The TDM demonstration of abnormal variations and pronounced asymmetry in the thickness of the vault strongly suggested that the deformation was ante mortem. The 3-D TDM reconstructions also helped to reconstruct the device used to deform the head.

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Ontogenetic changes in cranial vault thickness in a modern sample of Homo sapiens

Abstract: The pattern of thickness arrangement is established early in ontogeny but CVT increases and changes in distribution until adolescence. Several factors may influence CVT, such as the brain, muscles, vessels, and sutures.

Cited by 28 publications

References 60 publications

Parietal Bone Thickness and Vascular Diameters in Adult Modern Humans: A Survey on Cranial Remains

Parietal Bone Thickness and Vascular Diameters in Adult Modern Humans: A Survey on Cranial Remains

Investigating histomorphological variations in human cranial bones through ontogeny

Variations in the Thickness of the Cranial Vault in a Deformed Skull from Pre-Hispanic Ancón (Peru)

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