noun, noun which may take the genitive case particle 'no'
ectoparasitism
Biological term for a parasitic relationship where the parasite lives on the outside of the host's body. Used as a noun or with の to modify another noun.
ダニやノミは外部寄生の例です。
Ticks and fleas are examples of ectoparasitism.
外部寄生生物は宿主の体表
Ectoparasites live on the surface of the host's body.