ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
いも虫[imomushi] hornworm (caterpillar of a hawk moth)
益虫[ekichuu] useful insect
円虫類[enchuurui] round worms

夏虫[natsumushi] summer insect
蛔虫[kaichuu] roundworm (Ascaris lumbricoides)
害虫[gaichuu] harmful insect
鈎虫[kouchuu] hookworm
寄生虫[kiseichuu] parasite

螟蛾[meiga] pyralid (any moth of family Pyralidae, many of which have larvae that devour foodstuffs)
螟虫[zuimushi] pyralid larva
一点大螟蛾[ittenoomeiga] yellow stem borer (species of moth, Scirpophaga incertulas)
三化螟蛾[sankameiga] yellow stem borer (species of moth, Scirpophaga incertulas)

二化螟蛾[nikameiga] striped stem borer (species of moth, Chilo suppressalis)
稲の螟虫[inenozuimushi] striped stem borer larva
螟蛉[meirei] hornworm

延髄[enzui] medulla oblongata
骨髄[kotsuzui] bone marrow
歯髄[shizui] (tooth) pulp
心髄[shinzui] true meaning
精髄[seizui] essence

脊髄[sekizui] spinal cord
脳髄[nouzui] brain
髄虫[meichuu] pyralid larva
骨髄炎[kotsuzuien] osteomyelitis
脊髄炎[sekizuien] myelitis