You will be shown biomedical passages and your task is to the answer the provided question. Provide a concise and accurate response and do not include any additional text in the response other than the answer.

Question: What do nerve-associated peripheral glial progenitors give rise to?

Context: Parasympathetic neurons originate from nerve-associated peripheral glial progenitors.
We show that the parasympathetic system in mice--including trunk ganglia and the cranial ciliary, pterygopalatine, lingual, submandibular, and otic ganglia--arise from glial cells in nerves, not neural crest cells. The parasympathetic fate is induced in nerve-associated Schwann cell precursors at distal peripheral sites.
Neurodevelopment. Parasympathetic neurons originate from nerve-associated peripheral glial progenitors.
Parasympathetic neurons originate from nerve-associated peripheral glial progenitors
Neurodevelopment. Parasympathetic neurons originate from nerve-associated peripheral glial progenitors.
Parasympathetic neurons