Worth noting, even you can perceive depth with one eye closed if you slide your head left and right. It's the same reason we can have 3d gifs that just rely on sliding the camera. Look up stereoscopic 3d lke these:
You could try DeVita, Hellman, and Rosenberg's Cancer: Principles & Practice of Oncology. It has detailed information on both biological and clinical aspects of cancer. Apparently, the publishers regularly release online updates to cover the latest developments in oncology.
Reference to the current edition:
DeVita VT, Rosenberg SA, Lawrence TS, editors....
Parasympathetic tone is not necessarily mediated by tonic firing.
Nice question! I think part of the confusion stems from terminology. Let's start with some definitions first.
'Tone' in sympathetic tone can be translated as mean activity level (Hayano & Yuda, 2019).
'Tonic' firing by neurons may be translated as a sustained ...