* Fused molar roots * Single root canal * Juvenile glaucoma * Sparse body hair * Distinct facial features: full upper lip, absence of cupid's bow, thick philtrum * Syndactyly * Increased pigmentation of finger joints * Clinodactyly of fifth finger.
Ackerman syndrome
Katz syndrome
Klüver–Bucy syndrome
Van Gogh syndrome
Werner syndrome
Laurence–Moon syndrome
Diogenes syndrome
Scheuermann's disease