ectozoon

[ ek-tuh-zoh-on, -uhn ]

noun,plural ec·to·zo·a [ek-tuh-zoh-uh]. /ˌɛk təˈzoʊ ə/. Biology.
  1. any animal parasite, as the louse, that lives on the surface of its host (opposed to entozoon).

Origin of ectozoon

1
First recorded in 1855–60; ecto- + -zoon

Words Nearby ectozoon

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use ectozoon in a sentence

  • The most common ectozoon is the hog louse (Hmatopinus suis).

    Parasites | T. Spencer Cobbold
  • Another ectozoon, placed by Mgnin and others amongst the lowest types of Arachnida, is the well-known Demodex folliculorum.

    Parasites | T. Spencer Cobbold