Dec 27, 2025 · Bone - Calcium, Phosphate, Hardness: Depending upon species, age, and type of bone, bone cells represent up to 15 percent of the volume of bone; in mature bone in most …

Dec 27, 2025 · Bone is a rigid body tissue consisting of cells embedded in an abundant hard intercellular material. Bone tissue makes up the individual bones of the skeletons of …

Dec 27, 2025 · Depending on how the protein fibrils and osteocytes of bone are arranged, bone is of two major types: woven, in which collagen bundles and the long axes of the osteocytes are …

Compact bone makes up 80 percent of the human skeleton; the remainder is cancellous bone, which has a spongelike appearance with numerous large spaces and is found in the marrow …

Compact bone makes up 80 percent of the human skeleton; the remainder is cancellous bone, which has a spongelike appearance with numerous large spaces and is found in the marrow …

Cartilage, connective tissue forming the mammalian embryonic skeleton prior to bone formation and persisting in parts of the human skeleton into adulthood. It is composed of a dense …

Dec 31, 2025 · The human skeleton is the internal framework for the human body. It consists of many individual bones and cartilages, as well as bands of fibrous connective tissue—the …

Periosteum, dense fibrous membrane covering the surfaces of bones, consisting of an outer fibrous layer and an inner cellular layer (cambium). The outer layer is composed mostly of …

Dec 23, 2025 · Bone marrow, soft, gelatinous tissue that fills the cavities of the bones. Bone marrow is either red or yellow, depending upon the preponderance of hematopoietic (red) or …

Nov 18, 2025 · Bone is formed in the embryo in two general ways. For most bones the general shape is first laid down as a cartilage model, which is then progressively replaced by bone …