1p36 deletion syndrome is a chromosomal anomaly characterized by distinctive facial dysmorphic features, hypotonia, developmental delay, intellectual disability, seizures, heart defects, hearing impairment and prenatal onset growth deficiency.

Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.