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Related Concept Videos

Sutures of the Skull01:22

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
Overview of the Skull01:08

Overview of the Skull

The cranium (skull) is the skeletal structure of the head that supports the face and protects the brain. It is subdivided into the facial bones and the brain case, or cranial vault. The facial bones underlie the facial structures, form the nasal cavity, enclose the eyeballs, and support the teeth of the upper and lower jaws.
The cranial vault surrounds and protects the brain and houses the middle and inner ear structures. This cavity is bounded superiorly by the rounded top of the skull, which...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Cranial and Spinal Meninges01:19

Cranial and Spinal Meninges

The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...

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Related Experiment Video

Updated: Jun 5, 2026

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
08:03

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

Published on: November 4, 2025

Craniosynostosis.

David Johnson1, Andrew O M Wilkie

  • 1Oxford Craniofacial Unit, Oxford Radcliffe Hospitals NHS Trust, John Radcliffe Hospital, Oxford, UK.

European Journal of Human Genetics : EJHG
|January 21, 2011
PubMed
Summary
This summary is machine-generated.

Craniosynostosis, premature fusion of cranial sutures, poses classification and treatment challenges. Genetic analysis aids in diagnosing and managing this condition, especially when caused by gene mutations or chromosomal abnormalities.

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Area of Science:

  • Medical Genetics
  • Pediatric Neurosurgery
  • Developmental Biology

Background:

  • Craniosynostosis involves the premature fusion of skull sutures, impacting head shape and potentially brain development.
  • This condition presents significant challenges in accurate classification and effective treatment strategies.
  • Genetic factors, including single gene mutations and chromosomal abnormalities, account for at least 20% of craniosynostosis cases.

Purpose of the Study:

  • To outline clinical assessment methods for children with unusual head shapes suggestive of craniosynostosis.
  • To demonstrate the utility of genetic analysis in the diagnosis and management of craniosynostosis.
  • To provide a framework for integrating genetic insights into the clinical care of affected children.

Main Methods:

  • Review of clinical assessment protocols for pediatric head shape abnormalities.
  • Analysis of genetic testing approaches for identifying causative mutations and chromosomal abnormalities.
  • Integration of clinical findings with genetic data for diagnostic and therapeutic planning.

Main Results:

  • Established clinical criteria for evaluating infants and children with abnormal head shapes.
  • Identified key genetic pathways and specific mutations associated with various craniosynostosis phenotypes.
  • Demonstrated the impact of genetic diagnosis on tailoring treatment and predicting outcomes.

Conclusions:

  • Clinical assessment, guided by genetic analysis, is crucial for diagnosing and managing craniosynostosis.
  • Understanding the genetic basis of craniosynostosis improves diagnostic accuracy and informs personalized treatment approaches.
  • Genetic insights are essential for comprehensive care, enabling better prediction of disease course and potential complications.