oocyst

/หˆษ™สŠษ™sษชst/

IPA: /UW1 S IH1 S T/

noun
  1. 1

    A reproductive cell in certain fungi.

  2. 2

    A thick-walled structure of a parasitic protozoan, that develops into sporozoite.

Source: https://en.wiktionary.org/wiki/oocyst