biconcave

Example Sentences

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This batch provided an answer: He had hereditary spherocytosis, a disease in which the red blood cells were tiny spheres rather than the usual biconcave discs.

From New York Times • May 16, 2023

In mammals, red blood cells are small biconcave cells that at maturity do not contain a nucleus or mitochondria and are only 7–8 µm in size.

From Textbooks • Jun. 9, 2022

They are compact, flexible and shaped like biconcave disks, which helps them slip through narrow capillaries and gives them a high volume-to-surface area ration, so they can hold a lot of hemoglobin and oxygen.

From Scientific American • May 6, 2019

The viewer observes Mr. Jacobs’s teeming green worlds through a custom-ordered biconcave lens.

From New York Times • May 8, 2018

Again, the more ancient Crocodilia and Lacertilia have vertebræ with the articular facets of their centra flattened or biconcave, while the modern members of the same group have them procœlous.

From Lay Sermons, Addresses and Reviews by Huxley, Thomas Henry