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Gross Anatomy of Bone01:17

Gross Anatomy of Bone

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The two main features of a long bone are the diaphysis and the epiphysis.
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in...
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Compact Bone01:27

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Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
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Stafne bone cavity: a rare cadaveric case report.

Joe Iwanaga1,2, T L Wong1, Shogo Kikuta1,2

  • 1Seattle Science Foundation, Seattle, WA, USA.

Anatomy & Cell Biology
|October 11, 2019
PubMed
Summary
This summary is machine-generated.

A Stafne bone cavity (SBC), a rare asymptomatic mandibular defect, was identified in a male cadaver. This case report provides rare photographic evidence of this lingual bone defect for enhanced understanding.

Keywords:
AnatomyCadaverMylohyoid grooveStafne boneVariations

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Area of Science:

  • Oral and Maxillofacial Radiology
  • Anatomy
  • Pathology

Background:

  • Stafne bone cavity (SBC), also known as static bone cavity or lingual bone defect, is a rare asymptomatic bony anomaly.
  • Typically located inferior to the mandibular canal, SBCs have a low incidence (0.1%–6.06%) making cadaveric identification infrequent.

Observation:

  • This report details a unilateral SBC discovered in the right mandible of a 76-year-old Caucasian male cadaver.
  • The defect was oval, measuring 10.8×6.0 mm with a smooth surface, and was continuous with the right mylohyoid groove.

Findings:

  • The observed SBC presented as a distinct oval defect within the mandibular bone.
  • Its anatomical continuity with the mylohyoid groove offers specific topographical insights.

Implications:

  • This case provides valuable photographic documentation of a Stafne bone cavity, a rarity in anatomical literature.
  • Enhanced understanding of SBC morphology and location can aid in radiographic interpretation and diagnosis.