It was assumed that the trigeminal ganglion, like the rest of the peripheral nervous system, rested outside the blood-brain barrier, which tightly controls what molecules enter and leave the brain.

Central nervous system — the brain and spinal cord; Peripheral nervous system — the nerves that make your muscles move and tell your brain what your body is feeling; Autonomic nervous system — the ...

The sympathetic nervous system is a sub-system of your peripheral nervous system. Whenever you touch, taste, or see something, it’s because nerves are sending impulses to your brain to help you ...

This article – the sixth in a series about the nervous system – discusses the function of the autonomic nervous system, which is a component of the peripheral nervous system. It regulates involuntary ...

The autonomic nervous system is the part of the peripheral nervous system that controls visceral functions such as heart rate, respiratory rate and digestion. It consists of enteric ...

Reference: Wu Z, Wang Y, Chen W wei, et al. Peripheral nervous system microglia-like cells regulate neuronal soma size throughout evolution. Cell. 2025. doi: 10.1016/j.cell.2025.02.007. This article ...

In the peripheral nervous system, on the other hand, NPY was found to have the opposite effect, accelerating metabolism and, consequently, energy expenditure," Velloso explains.

Damage or injury to the nerves in the central or peripheral nervous system can cause neuropathic pain. This could be a sharp, burning sensation or numbness and tingling. Diabetes, cancer, and ...