The Pyriform area is a term used to describe the nasal vestibule and is also known as the nasal valve. The Pyriform area is located in the lower section of the nostrils which contains a mucous membrane lining. There are various synonyms used to describe this area in medical contexts, including the nasolabial angle, the internal nasal valve, the vestibular region, and the alar cartilage. The Pyriform area is an important part of the nasal passage and its shape can affect the airflow through the nose. Understanding the synonyms for this term is useful in medical discussions and research related to the nasal passage and respiratory system.