1. The methods of optical and electron histology have been applied to the study of structural changes in the cartilaginous matrix of the developing fowl tibia.

  2. A fine fibrous component without distinctly recognizable periodic structure occurs in the cartilage matrix throughout development and in adult life.

  3. Collagen-fibres appear later than the ‘unbanded’ fibrils and develop differently in the different regions of the tibia.

  4. The possible significance of these observations is discussed.

You do not currently have access to this content.