Growing end of a long bone in a kitten. Appositional growth demonstrated in the diaphysis of a longitudinal section of growing bone. Osteoblasts develop from progenitor cells in the periosteum and lay down bone on the periosteal surface.
Labels in this Slide:
- Bone Collar
- Periosteum
- Skeletal muscle
- Fibrous layer of the periosteum
- Osteogenic layer
- Osteoblasts
- Osteoclasts
Image Contributors
Wiley, M.
Cite
Wiley, M. Growth of Bone, Appositional growth. Digital Laboratory Medicine Library, Dept of Laboratory Medicine & Pathobiology, University of Toronto. Published
. Accessed December 17, 2025. https://dev.dlml.cflabs.ca/image/growth-bone-appositional-growth-lmp43935-02
