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Related Concept Videos

Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

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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.
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Cell-matrix's Response to Mechanical Forces01:13

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In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
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Bone as Supporting Connective Tissue01:23

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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—...
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Bone Cells and Tissue01:30

Bone Cells and Tissue

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Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
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Spongy Bone01:09

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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).
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Bone Formation by Endochondral Ossification01:24

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Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
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Ceramic Omnidirectional Bioprinting in Cell-Laden Suspensions for the Generation of Bone Analogs
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Mechanically Efficient Cellular Materials Inspired by Cuttlebone.

Anran Mao1, Nifang Zhao1, Yahui Liang1

  • 1State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.

Advanced Materials (Deerfield Beach, Fla.)
|March 6, 2021
PubMed
Summary
This summary is machine-generated.

Bioinspired cellular materials mimic cuttlebone structures for superior mechanical efficiency. 3D printing enables the creation of these advanced materials for aerospace and tissue engineering applications.

Keywords:
bioinspired materialsbiomaterialscellular materialscuttlebone

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Area of Science:

  • Materials Science
  • Biomimetics
  • Mechanical Engineering

Background:

  • Synthetic cellular materials often lack the complexity and performance of biological counterparts.
  • Biological structures like cuttlebone offer advanced mechanical properties due to their intricate designs.
  • There is a demand for high-performance cellular materials in aerospace, automotive, and biomedical fields.

Purpose of the Study:

  • To investigate the complex porous structure and mechanics of cuttlebone.
  • To design and fabricate mechanically efficient cellular materials inspired by cuttlebone.
  • To demonstrate the potential of bioinspired 3D printing for creating advanced cellular materials.

Main Methods:

  • Analysis of cuttlebone's lamellar septa and asymmetric, S-shaped walls.
  • Design of novel cellular materials based on cuttlebone architecture.
  • Fabrication of designed materials using 3D printing technology.

Main Results:

  • Cuttlebone exhibits superior strength and energy absorption compared to conventional lattice structures and foams.
  • Bioinspired cellular materials demonstrate enhanced mechanical efficiency.
  • 3D printing successfully produced complex, high-performance cellular structures.

Conclusions:

  • Cuttlebone's unique structure provides a blueprint for designing superior cellular materials.
  • Bioinspired design combined with 3D printing offers a powerful approach for engineering advanced materials.
  • These findings pave the way for developing next-generation materials for demanding applications.