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Chapter 10

Bone Tissue and the Skeletal System

Introduzione al sistema scheletrico
Introduzione al sistema scheletrico
The skeletal system is the central framework of the body, consisting of different connective tissues: bones, cartilage, tendons, and ligaments. Components ...
Le funzioni dell'apparato scheletrico
Le funzioni dell'apparato scheletrico
The most apparent functions of the skeletal system are support, protection, and movement. However, bone tissue also performs several other critical ...
Classificazione delle ossa
Classificazione delle ossa
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 ...
Anatomia macroscopica dell'osso
Anatomia macroscopica dell'osso
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 ...
Osso compatto
Osso compatto
Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function. Compact ...
Osso spugnoso
Osso spugnoso
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 ...
Marcature ossee
Marcature ossee
Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into ...
Cellule e tessuti ossei
Cellule e tessuti ossei
Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small ...
La matrice ossea
La matrice ossea
Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt ...
Afflusso di sangue e nervi alle ossa
Afflusso di sangue e nervi alle ossa
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 ...
Formazione ossea per ossificazione intramembranosa
Formazione ossea per ossificazione intramembranosa
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 ...
Formazione ossea per ossificazione endocondrale
Formazione ossea per ossificazione endocondrale
Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template ...
Rimodellamento e riparazione ossea
Rimodellamento e riparazione ossea
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. ...
Fratture: Riparazione ossea
Fratture: Riparazione ossea
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 ...
Disturbi ossei
Disturbi ossei
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 ...
Minerali essenziali per la salute delle ossa
Minerali essenziali per la salute delle ossa
The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, ...
Ruolo delle vitamine nel mantenimento della salute delle ossa
Ruolo delle vitamine nel mantenimento della salute delle ossa
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 ...
Ormoni e tessuto osseo
Ormoni e tessuto osseo
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is ...
Scheletro e omeostasi del calcio
Scheletro e omeostasi del calcio
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 ...
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