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Related Concept Videos

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.
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 Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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...
Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...

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Updated: Jun 6, 2026

Comprehensive Characterization of Tissue Mineralization in an Ex Vivo Model
07:29

Comprehensive Characterization of Tissue Mineralization in an Ex Vivo Model

Published on: September 27, 2024

Functional interactions among morphologic and tissue quality traits define bone quality.

Karl J Jepsen1

  • 1Leni and Peter W. May Department of Orthopaedics, Mount Sinai School of Medicine, Box 1188, One Gustave Levy Place, New York, NY 10029, USA. karl.jepsen@mssm.edu

Clinical Orthopaedics and Related Research
|December 3, 2010
PubMed
Summary
This summary is machine-generated.

Bone quality is determined by how morphology and tissue traits interact, not independently. This interaction creates unique trait sets for bone strength, aiding in identifying individuals at risk for fractures.

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Practical Considerations for the Design, Execution, and Interpretation of Studies Involving Whole-Bone Bending Tests of Rodent Bones

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Area of Science:

  • Biomechanics
  • Skeletal Biology
  • Integrative Physiology

Background:

  • Understanding bone morphology and tissue quality is crucial for developing fracture reduction strategies.
  • Advances in diagnostics and treatments rely on comprehending how these factors influence mechanical properties.

Purpose of the Study:

  • To review interactions between bone morphology and tissue quality traits.
  • To understand how these interactions contribute to overall bone quality and mechanical function.
  • To explore functional adaptation, emergent trait patterns, phenotypic integration, and aging effects on bone quality.

Main Methods:

  • Literature review utilizing Google Scholar and PubMed.
  • Analysis of citations from relevant reference sections.
  • Synthesis of existing research on bone trait interactions.

Main Results:

  • Bone traits (morphology, tissue quality) do not vary independently but covary.
  • Phenotypic integration is a compensatory mechanism for establishing bone function and homeostasis.
  • Individuals develop unique trait sets to achieve bone quality through covariation.

Conclusions:

  • Skeletal biology imposes constraints leading to predictable trait set patterns.
  • Bone quality is linked to external bone size and body size.
  • This understanding can identify individuals with compromised bone quality relative to their size.