Definition of mitochondrion in English:

mitochondrion

noun

Biology
  • An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers (cristae)

    • ‘Chloroplasts are cell organelles comparable to the mitochondria of animal cells.’
    • ‘The singlet oxygen damages cell membranes, mitochondria and cell nuclei.’
    • ‘The results suggest a shared thiamine transporter for mitochondria and the plasma membrane.’
    • ‘In one of the earliest steps in the evolution of eukaryotic cells, the mitochondrion was derived from an endosymbiosed bacterium.’
    • ‘Inside the cytoplasm are mitochondria and endoplasmic reticulum.’

Origin

Early 20th century: modern Latin, from Greek mitos thread + khondrion (diminutive of khondros granule).

Pronunciation:

mitochondrion

/ˌmīdəˈkändrēən/