Only one found in a lacuna and the Main bone cells

Large multi-nucleated cells - It is responsible of resorption

Undifferentiated pleuropotential stem cells derive from mesenchyme

dense fibrous CT - important for growth and regeneration because of osteogenic layers

Lines the central medullary cavity - Contains: osteogenic and hemopoietic cells

Inner layer of periosteum

Collagenous fibers - To keep periosteum attached to the bone

Concentrically arranged bone lamellae

External circumferential - Immediately beneath

Internal circumferential - Immediately surrounding