Sign In

Chapter 10

Bone Tissue and the Skeletal System

مقدمة في نظام الهيكل العظمي
مقدمة في نظام الهيكل العظمي
The skeletal system is the central framework of the body, consisting of different connective tissues: bones, cartilage, tendons, and ligaments. Components ...
وظائف الجهاز الهيكلي
وظائف الجهاز الهيكلي
The most apparent functions of the skeletal system are support, protection, and movement. However, bone tissue also performs several other critical ...
تصنيف العظام
تصنيف العظام
The bones of the human skeletal system are of varied shapes, sizes, and functions. They can be classified based on their shape and function into four ...
التشريح الإجمالي للعظام
التشريح الإجمالي للعظام
The two main features of a long bone are the diaphysis and the epiphysis. The diaphysis is the tubular shaft that runs between the proximal and distal ...
عظم مدمج
عظم مدمج
Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function. Compact ...
عظم إسفنجي
عظم إسفنجي
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 ...
علامات العظام
علامات العظام
Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into ...
خلايا العظام والأنسجة
خلايا العظام والأنسجة
Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small ...
مصفوفة العظام
مصفوفة العظام
Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt ...
إمداد العظام بالدم والأعصاب
إمداد العظام بالدم والأعصاب
Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical ...
تكوين العظام عن طريق التعظم الغشائي
تكوين العظام عن طريق التعظم الغشائي
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 ...
تكوين العظام عن طريق التعظم الغضروفي
تكوين العظام عن طريق التعظم الغضروفي
Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template ...
إعادة تشكيل العظام وإصلاحها
إعادة تشكيل العظام وإصلاحها
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. ...
الكسور: إصلاح العظام
الكسور: إصلاح العظام
Treatment for a fracture is based on the type of break, the bone affected, and the patient's age. Minor fractures with no bone displacement are ...
اضطرابات العظام
اضطرابات العظام
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at ...
المعادن الأساسية لصحة العظام
المعادن الأساسية لصحة العظام
The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, ...
دور الفيتامينات في الحفاظ على صحة العظام
دور الفيتامينات في الحفاظ على صحة العظام
The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K. Vitamin ...
الهرمونات وأنسجة العظام
الهرمونات وأنسجة العظام
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is ...
الهيكل العظمي وتوازن الكالسيوم
الهيكل العظمي وتوازن الكالسيوم
Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone ...
JoVE Logo

Privacy

Terms of Use

Policies

Research

Education

ABOUT JoVE

Copyright © 2025 MyJoVE Corporation. All rights reserved