Structure
The cartilaginous framework of the nose is anchored to the piriform aperture by fibrous tissue. The lateral crura of the major alar cartilages do not extend to the piriform aperture, thus, leaving a space that is filled by fibrofatty tissue and the minor alar cartilages.
Related parts of the anatomy
Function
The fibrofatty tissue contributes to the posterolateral rim of the nares, giving them flexibility.
