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相关概念视频

Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

3.0K
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...
3.0K
Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

2.1K
As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
2.1K
Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

3.6K
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...
3.6K
Development of the Limb Synovial Joints01:07

Development of the Limb Synovial Joints

1.3K
Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...
1.3K
The Thoracic Cage: Ribs01:20

The Thoracic Cage: Ribs

2.2K
Ribs are curved, flattened bones forming the thoracic cavity wall with the thoracic muscles. There are 12 pairs of thoracic ribs. The posterior ends of all the ribs articulate with the T1–T12 thoracic vertebrae. In contrast,the anterior ends of most ribs attach to the sternum via their costal cartilages.
Parts of a Typical Rib
A typical rib has a head, neck, and body. The posterior end of the rib is called the head, followed by a narrow neck. The head articulates primarily with the costal...
2.2K
The Thoracic Cage: Sternum01:17

The Thoracic Cage: Sternum

1.8K
The thoracic or rib cage forms the body's thorax (chest) portion. Its primary function in the body is to protect vital organs in the thoracic cavity, such as the heart and the lungs. It consists of 12 pairs of ribs with their costal cartilages and the sternum. The ribs are anchored posteriorly to the 12 thoracic vertebrae (T1-T12).
The sternum is the elongated bony structure on the anterior side of the thoracic cage. It consists of three parts: the manubrium, the body, and the xiphoid...
1.8K

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相关实验视频

Updated: May 25, 2025

Visualization of Chondrocyte Intercalation and Directional Proliferation via Zebrabow Clonal Cell Analysis in the Embryonic Meckel’s Cartilage
06:40

Visualization of Chondrocyte Intercalation and Directional Proliferation via Zebrabow Clonal Cell Analysis in the Embryonic Meckel’s Cartilage

Published on: October 21, 2015

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孔德里希软骨是一种软骨.

Victoria Camilieri-Asch1, Shaun P Collin2, Dietmar W Hutmacher1

  • 1Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, QLD 4059, Australia; Centre for Biomedical Technology (CBT), Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, QLD 4059, Australia; ARC Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D), Queensland University of Technology, 60 Musk Avenue, Kelvin Grove, QLD 4059, Australia; School of Mechanical, Medical and Process Engineering (MMPE), Queensland University of Technology, 2 George Street, Brisbane City, QLD 4000, Australia.

Current biology : CB
|February 25, 2025
PubMed
概括
此摘要是机器生成的。

这项研究探讨了条动物的软骨生物学,这是一种多样化的鱼群,包括鱼和鱼. 研究人员详细介绍了这些软骨鱼的软骨的独特生物学方面.

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Author Spotlight: Enhancing Bone Regeneration with Vascularized Artificial Cartilage Integration
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Author Spotlight: Enhancing Bone Regeneration with Vascularized Artificial Cartilage Integration

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Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification
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Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification

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相关实验视频

Last Updated: May 25, 2025

Visualization of Chondrocyte Intercalation and Directional Proliferation via Zebrabow Clonal Cell Analysis in the Embryonic Meckel’s Cartilage
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Visualization of Chondrocyte Intercalation and Directional Proliferation via Zebrabow Clonal Cell Analysis in the Embryonic Meckel’s Cartilage

Published on: October 21, 2015

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Author Spotlight: Enhancing Bone Regeneration with Vascularized Artificial Cartilage Integration
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Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification
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Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification

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科学领域:

  • 海洋生物学 海洋生物学
  • 比较解剖学的比较解剖学
  • 发展生物学 发展生物学

背景情况:

  • 鱼和鱼包括鱼和鱼,代表着古老的软骨鱼类的血统.
  • 了解它们独特的骨结构,特别是软骨,对于进化和生物学见解至关重要.

研究的目的:

  • 为了提供一个全面的概述软骨生物学在chondrichthyans.
  • 突出鱼和鱼的软骨的特定特征和功能.

主要方法:

  • 文献综述和对德里希软骨现有研究的综合.
  • 对不同类型的软骨结构和软骨发育的比较分析.

主要成果:

  • 详细描述德里希软骨的细胞组成和细胞外矩阵.
  • 确定关键的分子和发育途径,调节这些鱼类的软骨形成和维护.
  • 讨论与鱼和鱼的运动,支和感觉系统有关的软骨的功能适应.

结论:

  • 与其他脊椎动物相比,chondrichthyans的软骨表现出明显的特征,反映出它们独特的进化历史.
  • 对孔德里希软骨生物学的进一步研究可以提供关于骨发育和再生的见解.