Definition of musk. 1  1a : a substance with a penetrating persistent odor obtained from a sac beneath the abdominal skin of the male musk deer and used as a perfume fixative; also : a similar substance from another animal or a synthetic substituteb : the odor of musk; also : an odor resembling musk especially in heaviness or persistence.
Inferior Nasal Concha. The Inferior nasal concha is the most caudally based of the three nasal conchae. While the superior and middle nasal conchae form part of the perpendicular plate of the ethmoid bone, the inferior nasal concha is a bony structure by itself.It sits on the vertical bony plate known as the nasal septum, separating the nasal cavity into two bilateral and symmetrical anatomical caves.nferior Nasal Concha. The Inferior nasal concha is the most caudally based of the three nasal conchae. While the superior and middle nasal conchae form part of the perpendicular plate of the ethmoid bone, the inferior nasal concha is a bony structure by itself.
The lower part of the nose is made up of cartilages which are responsible for the shape of external features of the nose. The nose bridge and the septal cartilage form the nasal septum.This nasal septum separates the nostrils.he attachments of your nostrils on each side to your cheeks are called alae. If your nasal septum is crooked or deviated because it grew that way, or because you suffered a nasal injury with a fracture of your nose and septum, then the outside shape of your nose may be crooked in the same way.