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Related Concept Videos

Introduction to the Skeletal System01:20

Introduction to the Skeletal System

The skeletal system is the central framework of the body, consisting of different connective tissues: bones, cartilage, tendons, and ligaments.
Components of the Skeletal System
Bone, or osseous tissue, is a hard connective tissue that forms an internal support structure for the human body. Bones shield vulnerable organs and soft tissue from external forces. For example, the vertebral bones protect and support the spinal cord.
Cartilage, a semi-rigid connective tissue found in regions such as...
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Functions of Connective Tissues01:17

Functions of Connective Tissues

Connective tissues perform a broad range of functions in the body. Their primary function is to connect and link different tissues in the body and act as packaging material between tissues. The areolar tissue, a connective tissue prototype, commonly cements various tissue types in diverse body organs. In contrast, adipose tissue cushions internal organs while insulating the body from heat loss.
Hard connective tissues, such as bones and cartilage, provide structure and support to the body.
The Functions of the Skeletal System01:22

The Functions of the Skeletal System

The most apparent functions of the skeletal system are support, protection, and movement. However, bone tissue also performs several other critical metabolic functions. For one, the bone matrix acts as a reservoir for a number of minerals important to the functioning of the body, especially calcium and phosphorus. These minerals, present in the bone tissue, can be released back into the bloodstream when required. Calcium ions, for example, are essential for muscle contractions and controlling...
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...
What is the Skeletal System?01:02

What is the Skeletal System?

Overview

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Related Experiment Video

Updated: May 23, 2026

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis
14:55

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Published on: June 24, 2018

[Soft tissues, hormones and the skeleton].

I Zofková1

  • 1Endokrinologický ústav Praha, Reditelka RNDr. Bĕla Bendlová, CSc. izofkova@endo.cz

Vnitrni Lekarstvi
|April 3, 2012
PubMed
Summary

Physical activity and hormonal systems significantly impact bone health. Muscle-bone interactions, influenced by hormones and adipose tissue, are crucial for skeletal development and adult stability.

Area of Science:

  • Bone biology and endocrinology
  • Skeletal health and physical activity
  • Muscle-bone interactions

Context:

  • Mechanical load from physical activity is vital for bone modeling and strength.
  • The muscle-bone unit is a functional system influenced by hormones and physical activity.
  • Adipose tissue and its adipocytokines modulate bone metabolism.

Purpose:

  • To explore the intricate relationship between mechanical load, muscle, hormones, and adipose tissue in skeletal health.
  • To elucidate the roles of the somatotropin-IGF-I system, androgens, and vitamin D in bone development and maintenance.
  • To understand the impact of adipocytokines like leptin, adiponectin, and rezistin on bone metabolism.

Summary:

  • Bone strength is enhanced by mechanical load and physical activity, which are closely linked to muscle mass and contraction.

More Related Videos

Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing
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Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing

Published on: December 13, 2016

Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification
07:23

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

Published on: December 3, 2016

Related Experiment Videos

Last Updated: May 23, 2026

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis
14:55

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Published on: June 24, 2018

Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing
07:07

Biomechanical Characterization of Human Soft Tissues Using Indentation and Tensile Testing

Published on: December 13, 2016

Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification
07:23

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

Published on: December 3, 2016

  • The muscle-bone unit is regulated by hormonal systems (somatotropin-IGF-I, androgens, vitamin D) and adipose tissue-derived adipocytokines.
  • Leptin generally promotes bone formation, while adiponectin and rezistin may deteriorate skeletal integrity. Hormonal deficiencies or reduced physical activity can impair bone density and quality.

    • Impact:

    • Highlights the critical role of physical activity and hormonal balance in achieving optimal bone density and quality throughout life.
    • Emphasizes the complex interplay between endocrine systems, adipose tissue, and the musculoskeletal system for skeletal integrity.
    • Suggests potential therapeutic targets for bone diseases by modulating hormonal pathways and understanding adipocytokine effects.