East Polynesians have a lower nasal root than " Europeans ".
2.
The " nasal root " is the top of the nose, forming an indentation at the suture where the nasal bones meet the frontal bone.
3.
No longer considered a separate syndrome, ABCD syndrome is today considered to be a variation of Shah-Waardenburg type IV . Waardenburg syndrome ( WS ) is described as the combination of sensorinerual hearing loss, hypopigmentation of skin and hair, and pigmentary disturbances of the irides . Hearing loss and deafness, skin mispigmentation and albinism, and pigmentary changes in irises are the similarities between WS and ABCD . According to a dictionary of dermatologic syndromes, Waardenburg syndrome has many notable features, including depigmentation of hair and skin-white forelock and prematuring graying of hair, confluent thick eyebrows, heterochromic irides or hypopigmentation of iris, laterally displacy inner canthi, congenital sensorinerual deafness, broad nasal root, autosomal dominant disorder, and other associated findings, including black forelocks .
मोबाइल