The existence of ectoplasm is a controversial topic.
The ectoplasm would supposedly flow out of the medium's mouth or nose.
Under this scenario, the ectoplasm would be left behind after the entity returned to non-corporal form.
Many people mistakenly refer to vaporous shapes or trails of fog-like mist as ectoplasm.
The spirit would then use the ectoplasm to physically manifest.
Skeptics believe that ectoplasm is nothing more than a prop used in scams perpetrated by charlatans who portrayed themselves as mediums during the Victorian era up until the late 1930s.
Ectoplasm is a word often used to describe a gel-like residue reportedly found at the site of an apparition or paranormal event.
Samples of so-called ectoplasm have been analyzed and identified as various substances that are quite human and common.
It is sometimes differentiated into a clearer outer layer, of hyaloplasm, commonly called the ectoplasm, and an inner granular endoplasm.