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Spongy Bone

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...

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Related Experiment Video

Updated: Feb 28, 2026

The Polyvinyl Alcohol Sponge Model Implantation

The Polyvinyl Alcohol Sponge Model Implantation

Published on: April 18, 2012

Low-Density Open Cellular Sponges as Functional Materials.

Shaohua Jiang^1,2, Seema Agarwal¹, Andreas Greiner¹

¹Macromolecular Chemistry II, Department of Chemistry, Bavarian Polymer Institute, University of Bayreuth, Universitätsstrasse 30, 95440, Bayreuth, Germany.

Angewandte Chemie (International Ed. in English)

|June 17, 2017

Summary

This summary is machine-generated.

Creating low-density macroporous sponges (<100 mg/cm³) presents challenges and opportunities in material science. This review focuses on preparation methods for advanced carbon and polymer sponges with unique properties for novel applications.

Keywords:

aerogels foams functional materials materials science sponges

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Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

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Last Updated: Feb 28, 2026

The Polyvinyl Alcohol Sponge Model Implantation

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Published on: April 18, 2012

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Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity

Published on: December 11, 2014

Area of Science:

Advanced Chemistry
Material Science
Macroporous Materials

Background:

Low-density macroporous sponges (<100 mg/cm³) are difficult to prepare precisely.
These materials offer unique properties for advanced applications.
Carbon and polymer materials are key focus areas.

Purpose of the Study:

To review chemical and engineering methods for preparing low-density macroporous sponges.
To highlight the properties and potential applications of these advanced materials.

Main Methods:

Focus on bottom-up and top-down preparation techniques.
Emphasis on carbon and polymer-based sponge synthesis.

Main Results:

Discussed typical characteristics: lightweight, sustainable, breathable, unique wetting, large mass transfer, mechanical stability, and high pore volume.
Highlighted potential novel applications stemming from these properties.

Conclusions:

Precise preparation of low-density sponges is crucial for unlocking novel applications.
Advanced materials offer a promising route to sponges with desirable property combinations.