Introduction. 1  An osteochondral defect (OD) of the talus is a lesion involving the talar articular cartilage and its subchondral bone mostly caused by a single or multiple traumatic events, but idiopathic OD of the ankle do occur [8, 46, 47, 50].
The term Caucasian race or Caucasian is used to refer to people whose ancestry can be traced back to Europe, North Africa, West Asia, South Asia and parts of Central Asia.It was once considered a useful taxonomical categorization of human racial groups based on a presumed common geographic and/or linguistic origin.aucasian. 'Caucasian' actually refers to a person from the Caucasus Mountains. This is a very ethnically diverse regions, which includes Turkic groups, Armenians and Kurds, as well as endogenous Caucasians like Circassians & Georgians.
No. Caucasian is a euphemism for White and is a race. Races are  much broader than ethnicities and refer to general gradations in  skin color as opposed to nations or region â¦ s of origin, which is  what ethnicities refer to.hese groups are also divided into a number of subgroups based on ancestry. The group called Caucasian originally described people from the Caucasus region of Southwest Russia, Georgia and Armenia and subsequently became used to identify anyone from European ancestry.