A red blood cell is biconcave in shape. From LearnThat.org.
Real red blood cells owe their astonishing agility to their "biconcave" or tyre-like shape. From Wordnik.com. [Fight Aging!] Reference
Real red blood cells owe their astonishing agility to their "biconcave" or tyre-like shape, and to get the same kind of synthetic particles, Samir Mitragotri and his team got their inspiration from the way real red blood cells acquire their final shape in the body. From Wordnik.com. [Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7] Reference
The human blood-corpuscle is a non-nucleated, biconcave disc, having a diameter of about 1/3500 of an inch. From Wordnik.com. [Aids to Forensic Medicine and Toxicology] Reference
‘Polypterus’, and presenting numerous important resemblances to the existing genus, which possesses biconcave vertebrae, are, for the most part, wholly devoid of ossified vertebral centra. From Wordnik.com. [Essays] Reference
In many tailed Batrachians the vertebræ are biconcave, as e.g. in Spelerpes, Amphiuma, Proteus, and Siren. From Wordnik.com. [The Common Frog] Reference
Fruit a trigonous, biconvex, or biconcave achene; seed with straight or curved embryo and copious endosperm. From Wordnik.com. [Find Me A Cure] Reference
The red globules appeared cleanly circular, flattened, biconcave, and without notches, indentations or spheroidal swellings. From Wordnik.com. [The Man With The Broken Ear] Reference
The primitive biconcave vertebrae of the fish and of the early land vertebrates were retained, and the limbs degenerated into short paddles. From Wordnik.com. [The Elements of Geology] Reference
Similarly, researchers found that if they added small balls made of a polymer called PLGA to a particular solvent, the spheres would collapse into a biconcave shape. From Wordnik.com. [Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7] Reference
Similarly, Mitragotri's team found that if they added small balls made of a polymer called PLGA to a particular solvent, the spheres would collapse into a biconcave shape. From Wordnik.com. [Fight Aging!] Reference
Again, the more ancient Crocodilia and Lacertilia have vertebrae with the articular facets of their centra flattened or biconcave, while the modern members of the same group have them procoelous. From Wordnik.com. [Lectures and Essays] Reference
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 procoelous. From Wordnik.com. [Lay Sermons, Addresses and Reviews] Reference
These biconcave-shaped cells have the tall task of carrying oxygen to our entire body; in women there are about 4 to 5 million RBCs per microliter (cubic millimeter) of blood and about 5 to 6 million in men. From Wordnik.com. [بالاترین] Reference
The disk has no nucleus, but, in consequence of its biconcave shape, presents, according to the alterations of focus under an ordinary high power, a central part, sometimes bright, sometimes dark, which has the appearance of a nucleus (Fig. 453, a). From Wordnik.com. [V. Angiology. 2. The Blood] Reference
Thus the Devonian Ganoids, though almost all members of the same sub-order as 'Polypterus', and presenting numerous important resemblances to the existing genus, which possesses biconcave vertebrae, are, for the most part, wholly devoid of ossified vertebral centra. From Wordnik.com. [Lectures and Essays] Reference
Constituting a transition type between the amphibians on the one hand, and both the higher reptiles and the mammals on the other, they retained the archaic biconcave vertebra of the fish and in some cases the persistent notochord, while some of them, the theromorphs, possessed characters allying them with mammals. From Wordnik.com. [The Elements of Geology] Reference
They retained the evidence of their close relationship with the Devonian fishes in their cold blood, their gills and aquatic habit during their larval stage, their teeth with dentine infolded like those of the Devonian ganoids but still more intricately, and their biconcave vertebrae which never completely ossified. From Wordnik.com. [The Elements of Geology] Reference
No limit hold emrule wanted wagon plastics.concentric biconcave. From Wordnik.com. [The Volokh Conspiracy » Was Brown a Fourteenth Amendment case?] Reference
Red blood cells are biconcave disks. From Wordnik.com. [Recently Uploaded Slideshows] Reference
biconcave disc, average diameter 7.5 um 2. From Wordnik.com. [Recently Uploaded Slideshows] Reference
Mesozoic Lepidosteidae, again, have, at most, biconcave vertebrae, while the existing 'Lepidosteus' has Salamandroid, opisthocoelous, vertebrae. From Wordnik.com. [Lectures and Essays] Reference
The Mesozoic Lepidosteidae, again, have, at most, biconcave vertebrae, while the existing ‘Lepidosteus’ has Salamandroid, opisthocoelous, vertebrae. From Wordnik.com. [Essays] Reference
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