<prompt> Absence of sesamoid bone in girl of age about normal range of puberty is said to have:Completed the growthOvergrowthDelay in reaching pubertyAll of the above  <response>: PHV-Peak height velocity occurs approximately at 12 years in girls and 14 years in boys and ossification of ulnar sesamoid of hand occurs roughly 6 months before the PHV. Key Concept: The absence or delayed presence of sesamoid bone is due to delay in reaching puberty. 