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 root of the nose-between the eyes-is the nasal parts of the frontal bone (forehead bone). This bone is called the ethmoid. There are then 2 nasal bones a little lower (you can feel how solid your nose is at the top-definitely bone! Not the tip, the top). The rest of the nose is mainly cartilage.