Etiology. AAI or AAS associated with bony abnormalities can be caused by abnormal development or ossification of the odontoid or fracture with or without remodeling. In addition, tumors can be a source of bony destruction, causing a pathologic fracture of either C1 or C2 and resulting in AAI.
Full Definition of COULIS. : a thick sauce made with pureed vegetable or fruit and often used as a garnish.ull Definition of COULIS. : a thick sauce made with pureed vegetable or fruit and often used as a garnish.
Definition of cosine for English Language Learners. geometry : the ratio between the long side (called the hypotenuse) and the side that is next to an acute angle in a right triangle.