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-->Etched in Howship's Lacunae
-->Acid phosphatase in lysosome can be used as a clinical marker for osteoclast activity
Osteoclast vs. Megakaryocyte
-->Osteoclasts are multinucleated & found in bone
-->Megakaryocyte is one, fused nucleated cell found in the bone marrow
-->Can see compact bone (far left); medial to it is trabeclae stains very darkly
-->Bone marrow seen on the top
-->Areas of decalcification seen below
Trabeculae of cancellous bone
-->Contain some osteocytes & osteoblasts on periphery
-->Bone marrow seen below it
Osteopetrosis of bone (right hand side) vs. Normal bone
-->Observe death of bone marrow spaces & small amounts of calcification (in blue) compared to normal
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