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Overview of the Skull

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 View

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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...

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.
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Cranial Bones: Superior and Posterior View

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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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Analysis of Craniomaxillofacial Malformations in Mice Using Three-dimensional Microcomputed Tomography

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Published on: January 17, 2025

Theodor Kocher's craniometer.

Elisabeth Schültke¹

¹Department of Surgery, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada. e.schultke@usask.ca

|May 1, 2009

Summary

This summary is machine-generated.

Theodor Kocher, a Nobel laureate, pioneered neurosurgical tools like the craniometer. This device aided in localizing brain conditions, foreshadowing modern stereotactic technology.

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Area of Science:

Neurosurgery
Medical History
Surgical Innovation

Background:

Theodor Kocher was a prominent Swiss surgeon and Nobel laureate, recognized for his thyroid gland research.
His laboratory became a hub for studying neurotrauma and increased intracranial pressure's effects on brain function.

Discussion:

Kocher developed a craniometer, an early neurosurgical instrument.
This device enabled the correlation of intracranial pathology with cranial surface landmarks.
Craniometers served as precursors to contemporary stereotactic frames.

Key Insights:

The craniometer was a significant advancement in neurosurgical equipment during its time.
It facilitated the 3D localization of brain lesions and functional centers.
Kocher's work contributed to the evolution of precise brain surgery techniques.

Outlook:

Kocher's innovations highlight the historical progression of neurosurgical localization methods.
Understanding early instruments like the craniometer provides context for modern neurosurgical advancements.
Further research into historical surgical tools can illuminate the path of medical progress.