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Related Concept Videos

Spongy Bone01:09

Spongy Bone

All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...
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 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.
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...
The Auditory Ossicles01:11

The Auditory Ossicles

The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...

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Related Experiment Video

Updated: Jun 27, 2026

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect
09:35

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect

Published on: September 11, 2015

Design of Trabecular Bone-Inspired Mechano-Acoustic Coupling Porous Structures.

Yiyan Lin1, Jundong Zhang2, Chaolei Zhang1

  • 1College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China.

Materials (Basel, Switzerland)
|June 26, 2026
PubMed
Summary

This study introduces bionic porous structures for simultaneous mechanical and acoustic control. The Diamond structure excels in load-bearing, energy absorption, and sound insulation, offering multifunctional applications.

Keywords:
additive manufacturingbionic designimplicit surface structuresmechano-acoustic coupling

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Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications
09:56

Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications

Published on: December 8, 2015

Related Experiment Videos

Last Updated: Jun 27, 2026

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect
09:35

Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect

Published on: September 11, 2015

Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications
09:56

Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications

Published on: December 8, 2015

Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Acoustics

Background:

  • Traditional porous structures struggle to balance mechanical load-bearing and acoustic regulation.
  • Bionic design principles, inspired by trabecular bone, offer a novel approach.
  • Triply Periodic Minimal Surface (TPMS) structures present complex geometries for advanced functionalities.

Purpose of the Study:

  • To design and fabricate bionic porous structures with enhanced mechano-acoustic properties.
  • To investigate the mechanical load-bearing and energy absorption capabilities of Gyroid, Diamond, and Lidinoid structures.
  • To evaluate the sound absorption and insulation performance of these structures.

Main Methods:

  • Fabrication of 316L bionic structures using Selective Laser Melting (SLM).
  • Quasi-static compression experiments and finite element simulations for mechanical analysis.
  • Acoustic impedance tube testing for sound absorption and insulation evaluation.

Main Results:

  • The Diamond structure demonstrated superior load-bearing capacity, specific energy absorption, and isotropy compared to Gyroid and Lidinoid.
  • Diamond structures exhibited significantly higher sound absorption coefficients and sound insulation values in high-frequency ranges.
  • Mechano-acoustic coupling was effectively achieved by optimizing TPMS topology.

Conclusions:

  • The Diamond TPMS structure offers an optimal balance of mechanical strength, energy absorption, and acoustic performance.
  • Bionic design and TPMS topology regulation are effective strategies for multifunctional porous materials.
  • This research provides a foundation for developing advanced bionic structures for applications like bone implants and noise reduction.