Sentences with phrase «cell shape within»

The Hamant Lab (ENS de Lyon) provided experimental evidence that cells may explode due to high mechanical stress and the Li Lab (Hokkaido University / Stockholm University) provided the statistical analysis of cell shape within a wide range of plant species.

Not exact matches

But within the coral trout's lesions, cells looked abnormal with nuclei that varied dramatically in size and shape.

Nevertheless, as Tobias says, it is still ``... a field beset with relatively few facts but many theories... The story of early hominid brains has to be read from carefully dated, well identified, fossilised calvariae, or from endocranial casts formed within them... Such materials confine the Hercule Poirot, who would read «the little grey cells» of fossil hominids, to statements about the size, shape and surface impressions... of ancient brains...» The other major limiting factor at the moment is the lack of suitable fossil skulls for such studies.

«DNA repair helps thwart cancer and keep the cell in top shape — it is usually all in a day's work within each cell,» Dr. Durocher adds.

Laying down the cells within these patterns forces them to take the distinctive shape of cardiac muscle cells, which lets the cells link and beat in sync.

While researchers at the Georgia Institute of Technology don't have a specific application for the doughnut - shaped droplets yet, they believe the novel structures offer opportunities to study many interesting problems, from looking at the properties of ordered materials within these confined spaces to studying how geometry affects how cells behave.

Once these peptides find a bacterium, they nestle into its outer membrane, then shape - shift themselves into nanotubes, which act as spigots, draining the cell and killing it within minutes.

Biologists have identified tens of thousands of molecules that direct and shape the organized chaos within the body's cells, and they have exploited those findings with thousands of drugs and treatments.

Environmental «noise» is a key evolutionary pressure that shapes the interconnections within cells, as well as those of neural networks and bacterial / ecological networks, they observe in a paper to be published online April 30 by the Journal of the Royal Society Interface.

This microscopic image shows a sun - shaped area within turtle skin cells where chelonid herpesvirus 5 replicates.

With the honeycomb shape, this eventually led to an oval ring of cells within the pore — with the majority aligned along the long axis.

Growing the virus gave scientists an opportunity to observe virus replication in unprecedented detail, revealing bizarre systems such as sun - shaped virus replication centers where the viruses form within cells.

Remarkably, it was the interplay between SPV - 1 localization within the cell, and the shape of the cell membrane, that controlled tube contractility.

This, in turn, enhanced cellular contractility and adhesion, allowing cells to retain their shape and position within stiff extracellular matrices.

Whether it's stuffing DNA inside the nucleus or cramming energy - generating machinery into the rod - shape organelles called mitochondria, biology separates tasks into specialized compartments within cells to make it easier to do specific jobs without interference.

The researchers removed the organ of Corti, which is housed within a seashell - shaped cavity called the cochlea and contains sensory hair cells, from newborn mice and kept the cells alive in culture plates.

The cells were located in a part of the hippocampus — a pair of seahorse - shaped structures located deep within the brain and involved in memory and learning.

«Within 3 weeks after expression of the NeuroD1 protein, we saw in the microscope that human glial cells were reinventing themselves: they changed their shape from flat sheet - like glial cells into normal - looking neurons with axon and dendritic branches,» Chen said.

Proteins must fold into three - dimensional shapes in precise ways to do their work within human cells.

In the new study, the researchers explored the role of cell shape in two vastly different types of epithelial cells — human bronchial epithelial cells grown in the lab and cells within the living embryo of the fruit fly — and observed them as they matured over time.

According to the researchers, these findings suggest that differences in shape from cell - to - cell within a tissue are key to their ability to jam and unjam — and that this process appears to drive biological events including embryonic development, wound healing, and, potentially, cancer cell invasion.

Within three years, Steinman would identify the catalyst, a newly discovered cell that he called the dendritic cell — named after the Greek word for tree because of its branched or star - like shape.

Previous research had shown that if cells are grown in a medium called Matrigel — firm enough to support cells above a dish's flat surface and pliable enough for cells to reshape as they grow and multiply — cells are able to develop in three dimensions as they would in the body, assuming the various shapes, layers, compartments and relationships within a particular organ.

Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram

However, it can also be incorporated throughout the elements on a page, such as cell padding within a table or buffer areas around shapes.

Within the Maze, during 1975, several H - shaped buildings, called H - blocks were constructed, each with four small wings of 25 cells.

Rocky Mountain spotted fever, also spread by contact with ticks, is caused by a different kind of bacteria called a rickettsia, which is rod - shaped and multiplies only within the cells of its host.

Lachowicz's Cell: Interlocking Construction (2010), a pleasing array of blue pigment within stacked irregularly shaped Plexiglas boxes wrestled Cubist forms out of their 2 - D sepia purgatory.

You can then continue to enhance this image to see subtle features such as the shapes of cells, the colours of cells, how big or small they might be and if there's any smaller parasitic infections lying within it.