- curvature, the lens is equiconvex. A lens with two
concave surfaces is
biconcave (or just concave). If one of the
surfaces is flat, the lens is plano-convex...
- In
geometry and
mathematical biology, a
biconcave disc — also
referred to as a
discocyte — is a
geometric shape resembling an
oblate spheroid with two...
-
named after the
Parma violet variety of the flower. The
sweets are hard,
biconcave discs,
similar to the
Fizzers product from the same
company but without...
-
blood cells to be sphere-shaped (spherocytosis),
rather than the
normal biconcave disk shape. This
abnormal shape interferes with the cells'
ability to...
-
molecule in the blood. Normally, red
blood cells have a very flexible,
biconcave shape that
allows them to move
through narrow capillaries; however, when...
-
company produces over 2.5
billion in a year. One
individual candy is a
biconcave disc in shape, with a
diameter of
roughly 1 cm (0.39 in) and a height...
- of the person's red
blood cells are
elliptical rather than the
typical biconcave disc shape. Such
morphologically distinctive erythrocytes are sometimes...
- air-spaced
simple lens elements: two
biconvex (positive)
lenses surrounding a
biconcave (negative) lens in the middle. It is one of the most
important objective...
- the
capillary network. In humans,
mature red
blood cells are
flexible biconcave disks. They lack a cell
nucleus (which is
expelled during development)...
- when
oxygen concentration is
raised and the
cells resume their normal biconcave disc shape. If
sickling takes place in the
venous system,
after blood...
