They are often shrunken away from the wall of the lacuna and only the nucleus is typically visible. The depression in the bone surface that they make while digesting the bone matrix is called a Howship's lacuna. D. Bone Formation 1. All of the stages shown in the Atlas may not be present on your slide. In addition to the details outlined in the Atlas note the vasculature of the marrow cavity and the free cells of marrow proper.
All samples are decalcified.
A regular plate similar to Fig. 1 may not be present in all slides of endochondral bone formation. Note cartilage of the nasal septum. Mallory's triple stain.