Bone: the tissue
These images compare woven, immature bone (left) with more mature, adult lamellar bone (right). Woven bone is usually present only temporarily and is replaced by lamellar bone through the process of remodeling. Circumferentially-arranged lamellae in Haversian systems are clearly visible in the mature bone and the matrix is more red, indicating its higher hydroxyapatite content. Also, the osteocytes have become more flattened in their lacunae compared with woven bone. Woven bone, Maturing bone, 300x, 200x
Woven, immature bone
These images compare woven, immature bone (left) with more mature, adult lamellar bone (right). Woven bone is usually present only temporarily and is replaced by lamellar bone through the process of remodeling. Circumferentially-arranged lamellae in Haversian systems are clearly visible in the mature bone and the matrix is more red, indicating its higher hydroxyapatite content. Also, the osteocytes have become more flattened in their lacunae compared with woven bone. Woven bone, Maturing bone, 300x, 200x
Lamellar, maturing bone
These images compare woven, immature bone (left) with more mature, adult lamellar bone (right). Woven bone is usually present only temporarily and is replaced by lamellar bone through the process of remodeling. Circumferentially-arranged lamellae in Haversian systems are clearly visible in the mature bone and the matrix is more red, indicating its higher hydroxyapatite content. Also, the osteocytes have become more flattened in their lacunae compared with woven bone. Woven bone, Maturing bone, 300x, 200x
Haversian systems
These images compare woven, immature bone (left) with more mature, adult lamellar bone (right). Woven bone is usually present only temporarily and is replaced by lamellar bone through the process of remodeling. Circumferentially-arranged lamellae in Haversian systems are clearly visible in the mature bone and the matrix is more red, indicating its higher hydroxyapatite content. Also, the osteocytes have become more flattened in their lacunae compared with woven bone. Woven bone, Maturing bone, 300x, 200x
Osteocytes
These images compare woven, immature bone (left) with more mature, adult lamellar bone (right). Woven bone is usually present only temporarily and is replaced by lamellar bone through the process of remodeling. Circumferentially-arranged lamellae in Haversian systems are clearly visible in the mature bone and the matrix is more red, indicating its higher hydroxyapatite content. Also, the osteocytes have become more flattened in their lacunae compared with woven bone. Woven bone, Maturing bone, 300x, 200x
Image source >
Image from the University of Michigan slide collection.
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