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.
The term Caucasian meaning the so-called white or European race originated with Johann Frederich Blumenbach (1752-1840), a German professor of natural history in Goettingen. gÃ¶ttingenhe term Caucasian meaning the so-called white or European race originated with Johann Frederich Blumenbach (1752-1840), a German professor of natural history in Goettingen. gÃ¶ttingen