ETP -->
electron transport particles
medical dictionary

<cell biology> Fragments of mitochondria still capable of transporting electrons.

One of the units occurring on the matrical surface of mitochondrial cristae; the head of the particle which measures about 9 nm, attaches to the membrane of the crista by a stalk 5 nm in length; the particle may be concerned with the electron transport system.

Synonyms: submitochondrial particles.

Acronym: ETP

(05 Mar 2000)