Study of Flexion Creases and Ridges Patterns in Patients with Congenital Anomalies of Aplasia and Hypoplasia of Thumb

Conclusion of this study shows development of anomalous hand influences development of epidermis and so ridges pattern and formation of thenar crease associated with presence of thenar volar pad In aplasia of thumb there is absence of thenar volar pad so there is no formation of thenar crease.