Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A spherical or elongated organelle in the cytoplasm of nearly all eukaryotic cells, containing genetic material and many enzymes important for cell metabolism, including those responsible for the conversion of food to usable energy. Also called chondriosome.
Wiktionary
- n. A spherical or ovoid organelle found in the cytoplasm of eukaryotic cells, contains genetic material separate from that of the host; it is responsible for the conversion of food to usable energy in the form of ATP.
WordNet 3.0
- n. an organelle containing enzymes responsible for producing energy
Etymologies
- New Latin : Greek mitos, warp thread + Greek khondrion, diminutive of khondros, grain, granule; see ghrendh- in Indo-European roots.
Examples
“The mitochondrion is a tiny, membrane-enclosed "power plant" which generates the cell's supply of chemical energy (ATP).”
“See, the mitochondrion is a tiny cellular power-plant that converts organic materials into adenosine triphosphate!”
“At the core of the process of energy creation is a tiny structure within the cell called the mitochondrion—this is the body’s energy factory.”
“At risk of overheating the mitochondrion, may I suggest a little re think along the lines that you returned to this blog with information to correct.”
“Each mitochondrion has its own DNA and is passed down from mother to child.”
New Era of Designer Babies with Three Parents and No Hereditary Diseases | Impact Lab
“The finding changes the traditional view of the mitochondrion from an" ˜energy depot 'at the service of its larger cellular host to a "˜command center' that directs cell division, "Polymenis said.”
“I had never been so cold before, and never so full of feeling: I was alert to every cell of my body, to every twitch, tingle, and hum of every single nucleus and mitochondrion.”
“The mitochondrion as a primary site of action of steroid and thyroid hormones: Presence and action of steroid and thyroid hormone receptors in mitochondria of animal cells.”
“The "jellyfish" looked like a bunch of mitochondrion and endoplasmic reticulum to me!”
“Was it a fusion, was it engulfment, how did the mitochondrion get its second membrane, how did two genomes in one cell integrate and coordinate?”
A critique on the endosymbiotic theory for the origin of mitochondria
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