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In human anatomy, the asterion is a visible (craniometric) point on the exposed skull. It is just posterior to the ear. It is the point where three cranial sutures meet: the lambdoid suture. [1] parietomastoid suture. [1] occipitomastoid suture. [1] It is also the point where three cranial bones meet: the parietal bone. the occipital bone.
The calvaria is made up of the superior portions of the frontal bone, occipital bone, and parietal bones. [1] In the human skull, the sutures between the bones normally remain flexible during the first few years of postnatal development, and fontanelles are palpable. Premature complete ossification of these sutures is called craniosynostosis.
In humans, the vertex is formed by four bones of the skull: the frontal bone, the two parietal bones, and the occipital bone. These bones are connected by the coronal suture between the frontal and parietal bones, the sagittal suture between the two parietal bones, and the lambdoid suture between the parietal and occipital bones.
The pterion is the region where the frontal, parietal, temporal, and sphenoid bones join. [1] It is located on the side of the skull, just behind the temple.It is also considered to be the weakest part of the skull, which makes it clinically significant, as if there is a fracture around the pterion it could be accompanied by an epidural hematoma.
Base of the skull. Upper surface. (Sphenoethmoidal suture is not labeled, ... The sphenoethmoidal suture is the cranial suture between the sphenoid bone and the ...
Sphenozygomatic suture (blue circle), seen from behind. Side view of the skull. (Sphenozygomatic suture visible at center, between sphenoid bone , which is colored yellow in the diagram, and the zygomatic bone , which is colored in white.).
The base of skull, also known as the cranial base or the cranial floor, is the most inferior area of the skull. It is composed of the endocranium and the lower parts of the calvaria . Structure
The frontonasal suture (Latin: Sutura frontonasalis) is a cranial suture that is found in the human skull, connecting the frontal bone and the two nasal bones. [1] This suture meets the internasal suture at the nasion. It is crucial in the study of cranial development and forensic analysis. In forensic anthropology, the frontonasal suture can ...