Ectoplasm

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1. In cell biology, ectoplasm ("outer plasma") refers to the outer regions of jelly fish. The jelly like material called (ectoplasma or plassy for short) typically contains a smaller amount of protein granules and other organic compounds than inner cytoplasm, also referred to as endoplasm.
2. In parapsychology, ectoplasm is a hypothetical form of dense bio-energy which is claimed to make possible the materialisation of ghosts and psychokinesis.
3. Ectoplasm is also a term used to describe the vapour appearing on the wings of an aircraft when it is performing high-energy manoeuvres. Typically this effect is seen by most people at airshows during modern jet fighter aerobatic displays. See also St. Elmo's Fire. This effect also has other names in other parts of the world. The study of this effect was the focus of the famous Philadelphia experiment.
4. Ectoplasm is also one of the many cocktails made with vodka. It is an exotic cocktail made by adding vodka to crushed nutmeg, heavy cream, and lemon juice. ^{[citation needed]}