Immunodetection of the NOV protein (brown colour) in the developing chicken wing.

Alcian blue staining identifies cartilage formation

a) stage 29 (E 6), b, c and d) stages 35-38 (E11-12).

perichondrium (p), proliferating chondrocytes (pc), flaten chondrocytes (fc), hypertrophic chondrocytes (hc)

These results were obtained in 1996-1997 by W. Barbot when the Laboratoire d'Oncologie Virale et Moléculaire (Pr. B. Perbal) was affiliated to the CNRS URA 146 (W. Barbot, 1997, DEA de Biologie Cellulaire et Moléculaire)