n. [Gr. ektos, outside; plasma, to form or mold]
An external or cortical layer of protoplasm in a cell; see endoplasm.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • Ectoplasm — generally refers to the outer part of a cell s cytoplasm.Ectoplasm may also refer to: * Ectoplasm (paranormal), a physical substance that supposedly manifests as a result of spiritual energy or psychic phenomenon * Ectoplasm (radio show), a BBC… …   Wikipedia

  • Ectoplasm — Ec to*plasm, n. [Ecto + Gr. ? form.] (Biol.) (a) The outer transparent layer of protoplasm in a developing ovum. (b) The outer hyaline layer of protoplasm in a vegetable cell. (c) The ectosarc of protozoan. [1913 Webster] …   The Collaborative International Dictionary of English

  • ectoplasm — 1883, of amoebas, 1901, of spirits, from ECTO (Cf. ecto ) + plasm (see PLASMA (Cf. plasma)) …   Etymology dictionary

  • ectoplasm — ► NOUN ▪ a viscous substance that supposedly exudes from the body of a medium during a spiritualistic trance and forms the material for the manifestation of spirits. DERIVATIVES ectoplasmic adjective …   English terms dictionary

  • ectoplasm — [ek′tō plaz΄əm, ek′təplaz΄əm] n. [ ECTO + PLASM] 1. the outer layer of the cytoplasm of a cell: distinguished from ENDOPLASM 2. the luminous, vaporous substance believed by spiritualists to emanate from a medium in a trance ectoplasmic adj …   English World dictionary

  • ectoplasm — ectoplasmic, ectoplasmatic /ek teuh plaz mat ik/, adj. /ek teuh plaz euhm/, n. 1. Biol. the outer portion of the cytoplasm of a cell. Cf. endoplasm. 2. Spiritualism. the supposed emanation from the body of a medium. [1880 85; ECTO + PLASM] * * *… …   Universalium

  • ectoplasm —    Also known as ectoplasmic substance. The term ectoplasm comes from the Greek words ektos (exterior, from the outside) and plasma (something formed or moulded). It was introduced in or shortly before 1894 by the French physiologist and Nobel… …   Dictionary of Hallucinations

  • ectoplasm — noun Date: 1883 1. the outer relatively rigid granule free layer of the cytoplasm usually held to be a gel reversibly convertible to a sol 2. a substance held to produce spirit materialization and telekinesis • ectoplasmic adj …   New Collegiate Dictionary

  • ectoplasm — (ek to plazm) The outer stiffer portion or region of the cytoplasm in a protozoan, which may be differentiated in texture from the inner portion or endoplasm …   Dictionary of microbiology

  • ectoplasm — Granule free cytoplasm of amoeba lying immediately below the plasma membrane …   Dictionary of molecular biology

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.