A cell that dissolves the fibers and matrix of bone

A bone cell responsible for the maintenance and turnover of the mineral content of the surrounding bone.

Concentric layers; the concentric layers of bone within an osteon.

The space within a bone that contains the marrow.

A connective tissue partition that subdivides an organ.

A connective tissue partition that subdivides an organ.

The layer that surrounds a bone, consisting of an outer fibrous region and inner cellular region.

The formation of bone within a connective tissue without the prior development of a cartilaginous model.

The breakdown of the mineral matrix of bone.

A bone condition characterized by decreased bone density, which leads to bone weakening and an increased risk of bone fracture

A reduction in bone mass that causes brittle, fragile bones and compromises normal function.

Small Boxlike bones

Irregular bones that form in fibrous tissue between the flat bones of the developing cranium

A bone that forms within a tendon

Relatively long and slender bones

Bones that have a complex shape

Some white blood cells are formed in this marrow; it’s color is due to the high number of fat cells it contains

This bone has thing, parallel surfaces which produce a flattened shape

Red Blood cells, platelets and most white blood cells are made in this type of marrow

The region of a long bone between the epiphysis and diaphysis

The basic histological unit of compact bone, consisting of osteocytes organized around a central canal and separated by concentric lamellae.

Passageways within compact bone that extend perpendicular to the surface

The first part of the bone that begins to ossify

The formation of bone; also referred to as ossification

Bone cells that differentiate into other bone cells

A hormone secreted by the parathyroid glands when blood calcium levels decrease below the normal range; causes increased osteoclast activity, increased intestinal calcium uptake, and decreased calcium ion loss by the kidneys

Bone that consists of an open network of struts and plates that resembles a three-dimensional garden lattice

The cartilage pad that covers the surface of a bone inside a joint cavity.

Dense bone that contains parallel osteons.

An incomplete cellular lining on the inner (medullary) surfaces of bones.

The enlargement of a cartilage or bone by the addition of cartilage or bony matrix at its surface.

Process of bone continuously recycling and renewing the organic and mineral composition of bone.

The replacement of a cartilaginous model with bone; the characteristic mode of formation for skeletal elements other than the bones of the cranium, the clavicles, and sesamoid bones.

Characteristics every bone has including openings, depressions, and projections.

Microscopic passageways between cells; they permit the diffusion of nutrients and wastes to and from osteocytes.

The distinct line that remains after epiphyseal growth has ended.

A strong connective tissue containing specialized cells and a mineralized matrix of crystalline calcium phosphate and calcium carbonate

The deposition of calcium salts within a tissue.

This is made of cartilage and bone encircles and stabilizes the outer edges of the fracture.

A network of spongy bone unites the inner edges of the fracture.

Longitudinal canal in the center of an osteon that contains blood vessels and nerves; also called Haversian canal

The shaft of a long bone

The head of a long bone.

The cartilaginous region between the epiphysis and diaphysis of a growing bone

crystals of calcium phosphate interacting with calcium hydroxide.

A break or crack in a bone.

A large blood clot that soon closes off the injured vessels and leaves a fibrous meshwork in the damaged area.