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.
Fleece. 1  Alpaca and vicuna fleece are one of the most sought after fibers. 2  Alpaca fleece is soft, silky and hypoallergenic. It is softer than cashmere and angora. 3  The preparation process of alpaca yarn is similar to that of wool.  Alpacas are sheared once a year in spring. They are shorn with knives of shears.