Chondrogenic and desmogenic ossification (practicum) (1st Faculty of Medicine UK)

In the practical exercise, the following preparations are microscoped:

A12 - Chondrogenic ossification

A14 - Desmogenic ossification

A12 - Chondrogenic ossification

 * periost
 * bony cuff formed by desmogenous ossification
 * unchanged hyaline cartilagegrowing cartilage
 * hypertrophic cartilage
 * hypertrophic calcified cartilage
 * vascular loops
 * directional beams (calcified cartilage in the center, osteoblasts and osteoid on the surface)
 * osteocytes in the bone matrix
 * osteoclast

A14 - Desmogenous ossification

 * thickened mesenchyme (future periosteum)
 * bony beam
 * on the surface of the beam - osteoblasts and osteoid
 * osteocyte in the lacuna
 * bone matrix
 * osteoclast in Howship's lacuna
 * a vessel in the mesenchyme