Histology: Identify the following 3 slides and the parts indicated. a. Compact bone: Osteon (Haversian System) Central (Haversian) canal Concentric lamellae Lacuna Osteocyte Canaliculi b. Spongy bone: Red bone marrow (spaces) c. Red Bone marrow or Smear (in spongy bone) Megakaryocytes Adipose cells Immature blood cells.