1. Plural of lissencephaly; neurological conditions characterized by an abnormally smooth brain surface due to absent or underdeveloped convolutions (gyri and sulci).
Usage: medical/technical term; typically used in clinical and neuroscientific contexts

Examples

• Lissencephalies are rare developmental disorders that affect brain structure and function.
• Patients with lissencephalies often experience severe intellectual disability and seizures.
• The diagnosis of lissencephalies is typically confirmed through MRI imaging.
• Researchers study lissencephalies to better understand cortical development.
• Different types of lissencephalies have varying degrees of severity and prognosis.