Definition of rhizoplast in US English:

rhizoplast

noun

  • In certain protists: a striated fibrillar structure extending from the base of a kinetosome, usually towards the nucleus.

Origin

Early 20th century; earliest use found in Journal of the Royal Microscopical Society. From rhizo- + -plast, after French rhizoplaste.

Pronunciation

rhizoplast

/ˈrʌɪzə(ʊ)plast/