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.
The fine fleece of the alpaca, cousin to the llama. Alpaca is warmer and lighter than wool yet stronger and far more durable. The fineness of alpaca hair and its hollow, insulating core give alpaca fibre a smooth, velvety hand and cloud-weight softness. The first shearing of the alpaca animal.