Sentences with phrase «blood cell nucleus»

The actin cytoskeleton of both cells is exposed; the white blood cell nucleus is shown in brown and the large actin - rich extension that dismantles the endothelial actin is shown in yellow.

Not exact matches

«Even something as seemingly simple as red blood cells that don't have a nucleus evolved a structure and a function that is much more complicated than we can perceive by looking under the microscope,» says Jason Acker, associate director of development for Canadian Blood Servblood cells that don't have a nucleus evolved a structure and a function that is much more complicated than we can perceive by looking under the microscope,» says Jason Acker, associate director of development for Canadian Blood ServBlood Services.

Prof. Alon says: «Our study shows that the endothelial cells, which were thought to be dynamic assistants in this process of crossing of blood vessel walls, are really more responders to the «physical work» invested by the white blood cell motors and nuclei in generating gaps and crossing through blood vessels.»

That honor goes to Swiss biochemist Friedrich Miescher, who in 1869 found the molecule in the nuclei of white blood cells and called it nuclein.

Still, the new cells have no nucleus, which is a distinguishing feature of mature red blood cells.

Because red blood cells don't have nuclei — and therefore lack genetic material that can be tweaked to make new proteins — the researchers turned to erythroblasts, precursors to red blood cells that still contain DNA.

By softening their bulky nuclei and pushing them to the front edge of their cells, white blood cells probe apart scaffolding in the blood vessel walls and squeeze through, researchers report online today in Cell Reports.

The smartphone microscope is powerful enough to visualize specimens as small as 1 / 200th of a millimeter, including microscopic organisms, animal and plant cells, blood cells, cell nuclei, and more.

«This is important because the final step of red blood cell maturation is the expulsion of the nucleus from the cell, which in many ways mimics apoptosis.

In this technique, the nucleus of an egg cell is removed and replaced with the nucleus of an adult cell, like a skin or blood cell.

Due to its uniquely small size, mass, and neutral charge, H2 is able to more effectively penetrate not only cell membranes but also the blood - brain barrier and even the cell nucleus — where it's thought to protect DNA and enhance mitochondrial health.

Red blood cells are recycled here; platelets (a small colorless disk - shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting) and white blood cells (less technical term for leukocyte which include lymphocytes, granulocytes, monocytes, and macrophages) are stored in the spleen.

When blood glucose levels rise, a signal (imagine a doorbell is rung) is sent from the cell door to the nucleus telling it to open up.