Scanning electron micrograph (SEM) of cancellous (spongy) bone of the human shin. Bone tissue is either compact or cancellous. Compact bone usually makes up the exterior of the bone, while cancellous bone is found in the interior. Cancellous bone is characterized by a honeycomb arrangement of trabeculae. These structures help to provide support and strength. The spaces within this tissue normally contain bone marrow, a blood forming substance.

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Keywords: -pathological, biology, bone, bw, cancellous, compact, cytology, electron, em, exterior, healthy, histology, human, micrograph, microscopic, musculoskeletal, normal, osseous, physiology, scanning, sem, shin, shine, skeletal, spongy, system, tissue, trabecula, trabeculae