What do satellite cells do in the peripheral nervous system?

Satellite cells play a crucial role in the peripheral nervous system by providing physical support for neurons. These glial cells are found in ganglia and surround neuronal cell bodies, contributing to the maintenance of an optimal environment for neurons. They help regulate the microenvironment, provide nutrients, and assist in the repair and regeneration processes after injury.

In the context of the nervous system, physical support is essential for neuronal health and function. By cushioning and protecting neuronal cell bodies, satellite cells contribute to the overall stability and support of the peripheral nervous system. Their involvement in maintaining homeostasis through nutrient supply and waste management further emphasizes their supportive role. This makes option B the correct choice.