sporoplasm

[ spawr-uh-plaz-uhm, spohr- ]

/ ˈspɔr əˌplæz əm, ˈspoʊr- /

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noun

the protoplasm within a spore that is injected into a host cell by various parasitic organisms.

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Origin of sporoplasm

First recorded in 1890–95; sporo- + -plasm

Hence it is possible that the Myxosporidian sporoplasm really consists of two, incompletely-divided (sister) germs.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3|Various
Spores with two polar-capsules, and without an iodinophilous vacuole in the sporoplasm.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3|Various
The sporoplasm may be either a plasmodial mass, with numerous nuclei, or may form a certain number of uninuclear sporozoites.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3|Various
Spores having the form of an anchor with six arms; sporoplasm plasmodial, situate near the anterior pole of the spore.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3|Various

There is usually a 560 certain amount of unused sporoplasm left over in the centre of the spore, constituting the sporal residuum.
Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5|Various