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Table 2. Nasal Anatomy Definitions
Upper Lateral
Cartilage
e lateral cartilage piece of the nose, triangular in shape, meeting
with the nasal bones superiorly and the lower lateral cartilages
inferiorly, and fusing with the septum in the midline.
Lower Lateral
Cartilage
in flexible plate of cartilage folded on itself and situated just
below the upper lateral cartilage. It makes up the medial and lateral
wall of the nostril.
Internal Nasal
Valve
Refers to the area bordered by the upper lateral cartilage laterally, the
septum medially, the head of the inferior turbinate, and the floor of
the nose.
External Nasal
Valve
Refers to the area bordered by the lateral limb of the lower lateral
cartilage laterally, the medial limb of the lower lateral cartilage and
the septum medially, and the floor of the nose.
Nasal Septum Wall of cartilage and bone that runs down the middle of the nose
dividing it into le and right nasal passages.
Nasal Turbinates Long narrow curved shelves of bone covered in mucus membrane
and protruding into the nasal passage.
