One study followed 89 patients with PD who were treated with unilateral subthalamotomy. Sixty-eight patients were available for evaluations after 12 months, 36 after 24 months and 25 patients after 36 months.
Definition of alpaca for English Language Learners. : 1  a South American animal that is related to the llama and has long woolly hair. : 2  wool of the alpaca or a cloth made of it.
There are two different kinds of alpacas in the United States--the suri alpaca which has fiber that appears to be in the form of dreadlocks and is very silky, and the huacaya (pronounced wa-ki-a) alpaca which has very colorful fiber that is extremely fine and gives the alpaca a woolly and round appearance. Suri.