[dnautics]

thanks for the explanation! That wasn't clear to someone who has enough biochemistry and biology to be dangerous but with no experience in physiology.

[pygy_]

You're welcome!

Expanding further: the blood brain barrier is made of cytoplasmic expansions of astrocytes in the central nervous system. The T-shape sensory cells are part of the peripheral nervous system, their axon ends up in the encephalon.