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Related Concept Videos

Bone Structure01:55

Bone Structure

Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
Bone as Supporting Connective Tissue01:23

Bone as Supporting Connective Tissue

Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body.
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts— that give the...
Bone Remodeling01:40

Bone Remodeling

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.
Compact Bone01:27

Compact Bone

Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
Bone Markings01:26

Bone Markings

Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
Articulating Projections
Articulating projections are found where two bones meet to form a joint. These structures are usually found at the ends of bones. The largest articulation is a rounded projection called the head, supported by a narrow neck at the ends of...
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: May 8, 2026

Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data
11:09

Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data

Published on: February 25, 2021

[Setting up a "Bonebridge"].

P Clarós1, M S Diouf, A Clarós

  • 1Clinique Clarós, C/Los Vergós 31,08017 Barcelone, Espagne. clinica@clinicaclaros.com

Revue De Laryngologie - Otologie - Rhinologie
|September 7, 2013
PubMed
Summary

The Bonebridge implant offers a new option for hearing rehabilitation after mastoidectomy. This middle ear implant provides stable hearing gain without adverse effects, preserving the ear canal.

Area of Science:

  • Otolaryngology
  • Biomedical Engineering
  • Audiology

Background:

  • Bilateral radical mastoidectomy can lead to conductive hearing loss.
  • Traditional rehabilitation options may have limitations.
  • The Bonebridge system presents a novel bone conduction middle ear implant.

Observation:

  • A 17-year-old patient with bilateral conductive hearing loss post-radical mastoidectomy was implanted with the Bonebridge.
  • The patient had a history of bilateral cholesteatoma treated with open mastoidectomy and meatoplasty.
  • Surgical technique for Bonebridge implantation was detailed.

Findings:

  • The Bonebridge system was successfully implanted.
  • After 8 months, the patient achieved stable hearing gain.

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06:44

Cantilever Bending of Murine Femoral Necks

Published on: January 5, 2022

Related Experiment Videos

Last Updated: May 8, 2026

Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data
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Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data

Published on: February 25, 2021

Establishing a Diaphyseal Femur Fracture Model in Mice
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Establishing a Diaphyseal Femur Fracture Model in Mice

Published on: December 9, 2022

Cantilever Bending of Murine Femoral Necks
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Cantilever Bending of Murine Femoral Necks

Published on: January 5, 2022

  • No cutaneous adverse effects were observed.

    • Implications:

    • The Bonebridge implant is a viable alternative for hearing rehabilitation in specific cases.
    • It offers potential acoustic and aesthetic benefits by keeping the ear canal open.
    • Further research can explore long-term outcomes and broader applications.