Sporocyst

Definitions

  • Webster's Revised Unabridged Dictionary
    • Sporocyst (Zoöl) An asexual zooid, usually forming one of a series of larval forms in the agamic reproduction of various trematodes and other parasitic worms. The sporocyst generally develops from an egg, but in its turn produces other larvæ by internal budding, or by the subdivision of a part or all of its contents into a number of minute germs. See Redia.
    • Sporocyst (Zoöl) Any protozoan when it becomes encysted and produces germs by sporulation.
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Century Dictionary and Cyclopedia
    • n sporocyst In zoology: The cyst, sac, or capsule which is developed in the process of sporular encystment; any unicellular organism which becomes encysted and proceeds to sporulation.
    • n sporocyst A cyst or sac containing spores or germs, such as is developed in the larval state of certain flukes, or trematoid worms, as Bucephalus; this state of such worms; a redia containing cercariæ. See redia, and cuts under cercaria, germarium, and Trematoda.
    • n sporocyst In botany, a unicellular alga which, usually by a process of division, produces only asexual spores: in contrast with sporangium, which is usually limited to multi-cellular organs producing asexual spores.
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Chambers's Twentieth Century Dictionary
    • Sporocyst the cyst or capsule developed in the process of sporular encystment
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Etymology

Webster's Revised Unabridged Dictionary
Gr. seed + bladder
Chambers's Twentieth Century Dictionary
Gr. sporos, a sowing, seed—speirein, to sow.

Usage

In literature:

Around each sporoblast two membranes are successively secreted (exospore and endospore), which constitute the sporocyst (XIII.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5" by Various
These two membranes form the spore-wall (sporocyst).
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5" by Various
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