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Bone: classification
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Compact bone
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Spongy bone
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Lining (endosteal) cells >
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Osteoblasts
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

- Osteoid
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Osteocytes
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Osteoclast
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Loose connective tissue
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x

Blood vessels
Compact and spongy bone differ in their appearance. The ratio of bone:non-bone tissue determines which type of bone is present. In compact bone, bone is the predominate tissue; in spongy bone there is at least as much non-bone tissue as there is bony tissue. 400x, 400x