Sparganum proliferum (species of worm)
A rare parasitic tapeworm larva that can proliferate in human tissue. Primarily a medical/biological term.
Sparganum proliferum can cause severe symptoms when it infects humans.
Standard kanji spelling for this organism.
Variant with irregular kanji usage (弧 instead of 孤).
Katakana spelling, common in scientific contexts.
The name is composed of 芽殖 (budding/proliferation) + 孤虫 (sparganum, a larval stage of certain tapeworms). The exact derivation is uncertain; it is a technical term for this specific organism.