: lack or failure of development (as of a body part)
Example Sentences
Recent Examples on the WebDomenech’s brother Colin, who turns 28 on April 30, was born without the band of white matter that connects the two hemispheres in the brain, a condition called agenesis of the corpus callosum. Edward Lee, Baltimore Sun, 16 Apr. 2022 The men had been sharing their own struggles with depression and Cooper Jones, who was born with a rare congenital condition called sacral agenesis, began to feel a moment of connection. Sam Gillette, PEOPLE.com, 6 Apr. 2022 When Blake was 4, she was diagnosed with sacral agenesis, a form of spina bifida. Mckenna Oxenden, Baltimore Sun, 31 Mar. 2022 The medical name for my disability is sacral agenesis.New York Times, 29 Mar. 2022 Sometimes embryonic kidney cells fail to develop, a condition called renal agenesis. Crocker Stephenson, Milwaukee Journal Sentinel, 24 Aug. 2021 Dave was born with sacral agenesis, a congenital condition in which the lowest portion of the spine that forms the joint with the hips fails to develop. Richard Sandomir, New York Times, 10 Nov. 2020 The 16-year-old, who was born with a rare congenital disorder known as agenesis of the corpus callosum, made a big basket in the game that Legend won 46-32. Joe Rubino, The Denver Post, 21 Feb. 2017 See More
Word History
Etymology
a- entry 2 + genesis, on the model of French agénésie
First Known Use
circa 1879, in the meaning defined above
Medical Definition
agenesis
noun
agen·e·sis (ˈ)ā-ˈjen-ə-səs
plural ageneses -ˌsēz
: lack or failure of development (as of a body part)