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.
There are several sub-groups within the Caucasian race, including Whites, or people of European descent, Arabs, Persians, North Africans, and some consider Dravidians (Indians) to be Caucasian, as well.Caucasian does not mean white. All whites are Caucasian, but not all Caucasians are white.lthough actually, the term Caucasian race (also Caucasoid, Europid, or Europoid) denotes the general physical type of some or all of the indigenous populations of Europe, North Africa, the Horn of Africa, West Asia, Central Asia and South Asia.