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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...
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...
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...
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,...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.

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Related Experiment Video

Updated: Jun 6, 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

Craniofacial and upper airway development.

Leila A Mankarious1, Steven L Goudy

  • 1Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, MA 02114, USA.

Paediatric Respiratory Reviews
|November 27, 2010
PubMed
Summary
This summary is machine-generated.

Understanding craniofacial and upper airway development is key to addressing congenital anomalies. Further research can improve diagnostics and treatments for affected patients.

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Area of Science:

  • Developmental biology
  • Craniofacial development
  • Upper airway development

Background:

  • Craniofacial and upper airway development involves complex interactions between mesenchymal and epithelial tissues.
  • Disruptions in this process, due to genetic mutations or altered growth factors, result in congenital anomalies.
  • These anomalies often lead to lifelong health issues, requiring extensive medical and surgical care.

Purpose of the Study:

  • To deepen the understanding of the fundamental mechanisms governing craniofacial and upper airway development.
  • To identify critical growth factors and transcription factors involved in embryonic development of these structures.
  • To lay the groundwork for improved diagnostic and therapeutic strategies.

Main Methods:

  • This study focuses on the basic science of developmental processes.
  • It involves analyzing the roles of soluble growth factors and transcription factors.
  • The research examines the sequential regulation of gene expression during development.

Main Results:

  • The abstract does not contain specific results but outlines the research area.
  • It highlights the complexity of tissue interactions and molecular signaling pathways.
  • The study emphasizes the consequences of developmental interruptions.

Conclusions:

  • A comprehensive understanding of craniofacial and upper airway development is crucial.
  • Further research into developmental mechanisms will enhance diagnostic accuracy.
  • Improved knowledge will lead to more effective treatment strategies for congenital anomalies.