Definition of Ectoplasm

1. Noun. (spiritualism) a substance supposed to emanate from the body of the medium during a trance.

Category relationships: Spiritualism
Generic synonyms: Emanation

2. Noun. The outer granule-free layer of cytoplasm.
Generic synonyms: Cytol, Cytoplasm

Definition of Ectoplasm

1. n. The outer transparent layer of protoplasm in a developing ovum.

Definition of Ectoplasm

1. Noun. (parapsychology) The visible substance believed to emanate from the body of a spiritualistic medium during communication with the dead. ¹

2. Noun. (parapsychology) An immaterial or ethereal substance, especially the transparent corporeal presence of a spirit or ghost. ¹

3. Noun. (cytology) The outer granule-free layer of cytoplasm. ¹

¹ Source:

Definition of Ectoplasm

1. [n -S]

Medical Definition of Ectoplasm

1. Granule free cytoplasm of amoeba lying immediately below the plasma membrane. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Ectoplasm

ectopic pinealoma
ectopic rhythm
ectopic schistosomiasis
ectopic tachycardia
ectopic teratosis
ectopic testis
ectopic thyroid
ectopic ureter
ectoplacental cavity
ectoplasm (current term)
ectoplasmic tube contraction
ectoprotein kinase

Literary usage of Ectoplasm

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Protozoa by Gary Nathan Calkins (1901)
"The ectoplasm The outer ectoplasm has a firm consistency, and, ... The and gastric conversion of ectoplasm into endo- after treat' plasm- which was early ..."

2. Agricultural Bacteriology by Joseph Eames Greaves (1922)
"Cell Wall (ectoplasm).—The cell wall is the slightly differentiated outer portion of the cell substance. Many writers prefer to call it "ectoplasm. ..."

3. Quarterly Journal of Microscopical Science edited by Biologists Limited, The Company of. (1877)
"SYDNEY H. VINES. tremity of each, wliich generally increases in size as tl cilium becomes shorter, and which finally coalesces with the ectoplasm. ..."

4. Botanical Gazette by University of Chicago, JSTOR (Organization) (1916)
"As the protoplasm flowed up into the vertical pseudopodium a thick hyaline ectoplasm was left below. The ectoplasm usually constituted the greater part of ..."

5. Human Parasitology: With Notes on Bacteriology, Mycology, Laboratory by Damaso de Rivas (1920)
"The body consists of an ectoplasm and an endoplasm, containing two or more nuclei, food and contractile vacuoles, pigment- granules, colorless granules, ..."

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