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Nasal notch: main aspects and meaning

The nasal notch, also known as incisura nasalis, pna, bna or jna (from its Latin and English designations), is an anatomical feature of the human nose. This term refers to a narrow depression or depression located on the top of the nasal septum. The nasal notch is important for the functioning of the respiratory system and ensuring the normal passage of air through the nose.

The structure and location of the nasal notch may vary slightly from person to person. However, in most cases, it is a small depression or depression in the front of the upper nose. The nasal notch is one of the key structures separating the nasal passages, which serve as a passageway for air from the external environment into the lungs.

The main function of the nasal notch is to facilitate breathing and maintain normal ventilation of the nasal passages. When we breathe, air passes through the nostrils and passes through the nasal septum. The nasal notch creates additional space for air to pass through, allowing it to easily enter the lower parts of the respiratory system.

However, sometimes the nasal notch can be narrow or obstructed, which can cause breathing problems, especially in the case of nasal diseases or abnormalities. Some people m