Fractures: Bone Repair
Learning Objectives By the end of this section, you will be able to: A fracture is a broken bone. It will heal whether or not a physician resets it in its anatomical position. If the bone is not reset correctly, the healing…
Bone Formation and Development
Learning Objectives By the end of this section, you will be able to: In the early stages of embryonic development, the embryo’s skeleton consists of fibrous membranes and hyaline cartilage. By the sixth or seventh week of embryonic life, the…
Bone Structure
Learning Objectives By the end of this section, you will be able to: Bone tissue (osseous tissue) differs greatly from other tissues in the body. Bone is hard and many of its functions depend on that characteristic hardness. Later discussions…
Bone Classification
Learning Objectives By the end of this section, you will be able to: The 206 bones that compose the adult skeleton are divided into five categories based on their shapes (Figure 6.6). Their shapes and their functions are related such…
The Functions of the Skeletal System
Learning Objectives By the end of this section, you will be able to: Bone, or osseous tissue, is a hard, dense connective tissue that forms most of the adult skeleton, the support structure of the body. In the areas of the…
Introduction
Figure 6.1 Child Looking at Bones Bone is a living tissue. Unlike the bones of a fossil made inert by a process of mineralization, a child’s bones will continue to grow and develop while contributing to the support and function of other body…
Diseases, Disorders, and Injuries of the Integumentary System
Learning Objectives By the end of this section, you will be able to: The integumentary system is susceptible to a variety of diseases, disorders, and injuries. These range from annoying but relatively benign bacterial or fungal infections that are categorized…
Functions of the Integumentary System
Learning Objectives By the end of this section, you will be able to: The skin and accessory structures perform a variety of essential functions, such as protecting the body from invasion by microorganisms, chemicals, and other environmental factors; preventing dehydration;…
Accessory Structures of the Skin
Learning Objectives By the end of this section, you will be able to: Accessory structures of the skin include hair, nails, sweat glands, and sebaceous glands. These structures embryologically originate from the epidermis and can extend down through the dermis…
Layers of the Skin
Learning Objectives By the end of this section, you will be able to: Although you may not typically think of the skin as an organ, it is in fact made of tissues that work together as a single structure to…