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

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

Figure 18.6 Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers.

From Textbooks • Jun. 19, 2013

The primitive biconcave vertebrae of the fish and of the early land vertebrates were retained, and the limbs degenerated into short paddles.

From The Elements of Geology by Norton, William Harmon