Examples of planaria in a Sentence
Recent Examples on the Web
Consider Levin’s experiments with planaria, the humble flatworm.
—
Sigal Samuel,
Vox,
4 June 2024
Somehow, despite the total loss of their brains, those planaria had retained the memory of the liver reward.
—
Rowan Jacobsen,
Scientific American,
1 Feb. 2024
At a school biology club meeting, Polyak cut up flatworms called planaria and watched their heads and tails regenerate.
—
Adithi Ramakrishnan,
Dallas News,
17 May 2023
Though often no bigger than an apple seed, planaria are the envy of the animal kingdom.
—
Elizabeth Pennisi,
Science | AAAS,
14 June 2018
One hundred and twenty-four of the genes missing from planaria are essential to humans and mice, but the worms seem to do fine without them.
—
John Timmer,
Ars Technica,
25 Jan. 2018
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Sigal Samuel,
Vox,
4 June 2024
Somehow, despite the total loss of their brains, those planaria had retained the memory of the liver reward.
—
Rowan Jacobsen,
Scientific American,
1 Feb. 2024
At a school biology club meeting, Polyak cut up flatworms called planaria and watched their heads and tails regenerate.
—
Adithi Ramakrishnan,
Dallas News,
17 May 2023
Though often no bigger than an apple seed, planaria are the envy of the animal kingdom.
—
Elizabeth Pennisi,
Science | AAAS,
14 June 2018
One hundred and twenty-four of the genes missing from planaria are essential to humans and mice, but the worms seem to do fine without them.
—
John Timmer,
Ars Technica,
25 Jan. 2018
Cite this Entry
“Planaria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planaria. Accessed 5 Jul. 2026.
Copy CitationKids Definition
planaria
noun
pla·nar·ia
plə-ˈnar-ē-ə 
-ˈner-
: planarian
especially
: any of a common freshwater genus
Medical Definition
planaria
noun
pla·nar·ia
plə-ˈnar-ē-ə, -ˈner-
Love words? Need even more definitions?
Merriam-Webster unabridged
