plural ulnae
ˈəl-nē 
or ulnas
or ulnas
: the bone on the little-finger side of the human forearm
also
: a corresponding part of the forelimb of vertebrates above fishes
Examples of ulna in a Sentence
Recent Examples on the Web
Her injuries were consistent with those found in modern humans who reach their hands out toward the ground to break a fall: greenstick fractures across both forelimb bones, the radius and the ulna.
—
Carly Miller, Forbes, 11 Oct. 2024
Accomplishing even this step proved especially difficult because of the need to precisely align the volunteer’s radius and ulna.
—Andrew Paul, Popular Science, 12 Oct. 2023
This air breathing fish’s front fins even have an ulna and a radius like our forearms do, and they’re coded by the same set of genes, reports Tessa Koumoundouros for Science Alert.
—Alex Fox, Smithsonian Magazine, 27 Jan. 2021
Each one holds a skeleton laid out carefully to preserve the proper anatomical placement of bones—a radius must lie just next to the ulna on each table.
—Ananda Rose, Scientific American, 1 June 2015
See all Example Sentences for ulna 
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Carly Miller, Forbes, 11 Oct. 2024
Accomplishing even this step proved especially difficult because of the need to precisely align the volunteer’s radius and ulna.
—Andrew Paul, Popular Science, 12 Oct. 2023
This air breathing fish’s front fins even have an ulna and a radius like our forearms do, and they’re coded by the same set of genes, reports Tessa Koumoundouros for Science Alert.
—Alex Fox, Smithsonian Magazine, 27 Jan. 2021
Each one holds a skeleton laid out carefully to preserve the proper anatomical placement of bones—a radius must lie just next to the ulna on each table.
—Ananda Rose, Scientific American, 1 June 2015
See all Example Sentences for ulna
Dictionary Entries Near ulna
Cite this Entry
“Ulna.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ulna. Accessed 15 Nov. 2024.
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