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Related Concept Videos

Association Areas of the Cortex01:21

Association Areas of the Cortex

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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Cranial Bones: Lateral View01:27

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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...
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Cranial Bones: Superior and Posterior View01:14

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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,...
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Fractures: Bone Repair01:27

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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Overview of the Skull01:08

Overview of the Skull

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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...
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Sutures of the Skull01:22

Sutures of the Skull

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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...
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Related Experiment Video

Updated: Jan 8, 2026

Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction
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[Fracture of nasofrontoethmoidorbital complex]

Z Q Yang1

  • 1First Affiliated Clinical College, Bethune Univ., Changchun.

Zhonghua Er Bi Yan Hou Ke Za Zhi
|January 1, 1993
PubMed
Summary

This study details 21 nasofrontoethmoidorbital complex fractures, highlighting common symptoms like nasal root deformity and epistaxis. Early diagnosis and treatment are crucial for managing these complex facial injuries.

Area of Science:

  • Trauma surgery
  • Otolaryngology
  • Ophthalmology

Context:

  • Nasofrontoethmoidorbital (NFEO) complex fractures are severe injuries.
  • These fractures often result from high-energy trauma.
  • Understanding the clinical presentation is key for effective management.

Purpose:

  • To report clinical features of NFEO complex fractures.
  • To discuss diagnostic criteria and treatment principles.
  • To analyze the anatomical basis of these injuries.

Summary:

  • Twenty-one cases of NFEO complex fractures were analyzed.
  • Key clinical findings include nasal root deformity (100%), epistaxis (100%), visual disturbances (62%), and cerebrospinal fluid rhinorrhea (33%).
  • Other observed features were enophthalmos (23%) and facial paralysis (14%).

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Optic Nerve Transection: A Model of Adult Neuron Apoptosis in the Central Nervous System
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Impact:

  • Provides insights into the common manifestations of NFEO fractures.
  • Aids clinicians in diagnosing and managing these complex injuries.
  • Contributes to the understanding of facial trauma outcomes.