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A biconcave disc. In geometry and mathematical biology, a biconcave disc — also referred to as a discocyte [1] — is a geometric shape resembling an oblate spheroid with two concavities on the top and on the bottom. Biconcave discs appear in the study of cell biology, as an approximation to the shape of certain cells, including red blood cells.
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Hereditary elliptocytosis, also known as ovalocytosis, is an inherited blood disorder in which an abnormally large number of the person's red blood cells are elliptical rather than the typical biconcave disc shape. Such morphologically distinctive erythrocytes are sometimes referred to as elliptocytes or ovalocytes.
One individual candy is a biconcave disc in shape, with a diameter of roughly 1 cm (0.39 in) and a height of roughly 4 mm (0.16 in). Larger ones have a diameter of 2.5 cm (0.98 in) and are about 6 mm (0.24 in) thick.
The disc divides each joint into two compartments, the lower and upper compartments. These two compartments are synovial cavities, which consist of an upper and a lower synovial cavity. The synovial membrane lining the joint capsule produces the synovial fluid that fills these cavities. [1] The disc is biconcave in shape.
Bruceomycetaceae species have stalked ascomata that are capitate (i.e., with a distinct compact head termed a capitulum). An excipulum (a ring-shaped layer surrounding the hymenium) is atop the ascoma; it is formed as an extension of the stalk's outer laters.
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The platelets will transform from smooth, biconcave discs to fully spread cells. This dramatically increases their surface area and therefore allows for both increased blockage of the damaged cells as well as more space for adhesion to occur.