<unk>  or ventral<unk>  is characterized by the adherence of the distal portion of the nailbed to the ventral surface of the nail plate. The condition may be present at birth or acquired, and may cause pain with manipulation of small objects, typing, and close manicuring of the nail. secondary due to connective tissue disorders
Pterygium inversum unguis
Pterygium unguis
Dens invaginatus
Fovea centralis
Caput succedaneum
Caput medusae
Caput Medusae
Vesical tenesmus