👉 In anatomy, "eurycephalic" refers to a type of skull that is narrow and lacks many large, prominent teeth. This condition results from a mutation in the Y chromosome, which can be passed down through generations and may lead to certain medical conditions such as cerebral palsy. For example, if an individual has two X chromosomes (which means they have one copy of each pair of sex chromosomes), they are typically considered "eurycephalic" because their skull is narrow and lacks many