long bones are those that are longer than they are wide. They are one of five types of bones: long, short, flat, irregular and sesamoid. Long bones,...

A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals. Bones protect the various other organs of the body, produce...

clavicle, collarbone, or keybone is a slender, S-shaped long bone approximately 6 inches (15 cm) long that serves as a strut between the shoulder blade and...

surface of all bones, except at the articular surfaces (i.e. the parts within a joint space) of long bones. (At the joints of long bones the bone's outer surface...

into long bone, short bone, flat bone, irregular bone and sesamoid bone. A long bone is one that is cylindrical in shape, being longer than it is wide. However...

long bone that ossify from one or more secondary centers of ossification. Between the epiphysis and diaphysis (the long midsection of the long bone)...

ulna bone. The corresponding bone in the lower leg is the tibia. The long narrow medullary cavity is enclosed in a strong wall of compact bone. It is...

The ulna or ulnar bone (pl.: ulnae or ulnas) is a long bone in the forearm stretching from the elbow to the wrist. It is on the same side of the forearm...

Osteomyelitis (OM) is an infection of bone. Symptoms may include pain in a specific bone with overlying redness, fever, and weakness. The feet, spine,...

ˌɪmpɜːrˈfɛktə/; OI), colloquially known as brittle bone disease, is a group of genetic disorders that all result in bones that break easily.: 85  The range of symptoms—on...

other digits have three phalanges. The phalanges are classed as long bones. Toe bones or phalanges of the foot. Note the big toe has no middle phalanx...

composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. The bone mass in the skeleton...

The metatarsal bones or metatarsus (pl.: metatarsi) are a group of five long bones in the midfoot, located between the tarsal bones (which form the heel...

tibia. It is the second largest bone in the human body, after the femur. The leg bones are the strongest long bones as they support the rest of the body...

the wrist. They are one of five types of bones: short, long, flat, irregular and sesamoid. Most short bones are named according to their shape as they...

metaphysis at each end of a long bone. It is the part of a long bone where new bone growth takes place; that is, the whole bone is alive, with maintenance...

Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. In birds and mammals, bone marrow is the primary...

The Müller AO Classification of fractures is a system for classifying bone fractures initially published in 1987 by the AO Foundation as a method of categorizing...

diaphyses) is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat). It is a...

or bone mineralization) in bone remodeling is the process of laying down new bone material by cells named osteoblasts. It is synonymous with bone tissue...

The femur (/ˈfiːmər/; pl.: femurs or femora /ˈfɛmərə/), or thigh bone, is the only bone in the thigh — the region of the lower limb between the hip and...

childhood. It is characterized by calcium deposits in a bone at the base of the skull (occipital bone), coarse hair, and loose skin and joints. Mutations...

shaft of a long bone (diaphysis) (consisting mostly of compact bone), the medullary cavity has walls composed of spongy bone (cancellous bone) and is lined...

Bone healing, or fracture healing, is a proliferative physiological process in which the body facilitates the repair of a bone fracture. Generally, bone...

archaeology, a bone tool is a tool created from bone. A bone tool can conceivably be created from almost any bone, and in a variety of methods. Bone tools have...

Bone metastasis, or osseous metastatic disease, is a category of cancer metastases that result from primary tumor invasions into bones. Bone-originating...

especially fractures of the long bones, are the most common cause of fat embolism syndrome (FES). The rates of fat embolism in long bone fractures vary from 1%...

two bones and, in proportion to its length, the most slender of all the long bones. Its upper extremity is small, placed toward the back of the head of the...

Bone Tomahawk is a 2015 American Western film written and directed by S. Craig Zahler in his directorial debut, and starring Kurt Russell, Patrick Wilson...

(/ˈhjuːmərəs/; pl.: humeri) is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius...