nucleus

The interface between the surface and the underlying vascular stroma consists of cells with variable amounts of nuclei and cytoplasm.

But only a few of those supermassive black holes glow fiercely enough for scientists to call them "active galactic nuclei. "

Normally atomic nuclei exist in an equilibrium or stable condition known as their ground state of energy.

In nuclear fusion, a pair of light nuclei unite (or fuse) together, form a nucleus of a heavier atom.

NBAC plans to call for a continued ban on federal government funding for any attempt to clone body cell nuclei to create a child.

The rapid motion of the electros causes the sluggish nuclei to "see" the electron as a charge cloud, rather than as a discrete particle.

Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.

Reaction, the nuclei of the fissile material after absorbing a neutron fission and release two or three neutrons.

The nuclei are pale with prominent nucleoli. The cytoplasm is usually in abundance. You may find many dying cells and mitotic figures.

In NMR Six Miles Deep Bob Kleinberg explains how the nuclei of some atoms can be made to line up with a magnetic field.

The myocardial fibers are beginning to lose cross striations and the nuclei are not clearly visible in most of the cells seen here.

To me, only the 2 cells in left lower photo are suspicious for HSIL, but the nuclei are too dark and i cannot see the chromatin pattern.

A large amount of nuclear energy is produced when a heavy nucleus splits in two light nuclei join to form a heavier nucleus(nuclear fusion).

A neutron has no appreciable electromagnetic interaction with nuclei or with electrons .

These nuclei are then zapped briefly with a second magnetic field that knocks them out of alignment with the first one.

As the sun burns, the hydrogen in its core converts to helium by fusion, a process through which the nuclei of atoms meld together.

Charlson had been puzzling over what unknown particles provide the nuclei on which moisture condenses, forming clouds.

The sun and stars are daily proof of the great energy released when light atomic nuclei join together .

Although theoretically possible, transmission by saliva or droplet nuclei produced by coughing or sneezing is extremely rare, if it occurs.

It is possible to manipulate the MR signal by changing the way in which the nuclei are initially subjected to electromagnetic energy.

Cathcart's book ends with a discussion of the question why the tortoise beat the hares in the race to disintegrate nuclei with accelerators.

Although all nuclei of a given element contain the same number of protons, they may have different numbers of neutrons.

Under such conditions atomic nuclei "evaporate" into a plasma of even smaller particles called quarks and gluons.

In SCNT, the somatic nuclei must be remodeled from highly differentiated patterns to a totipotent embryonic pattern.

Heavy nuclei, having more energy levels than light nuclei, are more likely to effect capture of a particle.

Feedback from active nuclei may be the missing piece of the puzzle, regulating galaxy-scale cooling flows.

With a continuous supply of the building blocks, these nuclei can sever as seeds for further growth to form larger structures.

resonance of electrons or atoms or molecules or nuclei to radiation frequencies as a result of space quantization in a magnetic field.

Notice how flat the surface cells are and how dark and pyknotic their nuclei have become.

The interphase nuclei and prophase chromosomes of the species were found to be of the complex chromosome type and interstitial type.

But a powerful beam of subatomic particles could be used to crush nuclei together strongly enough so they fuse.

These pollutants, which take the form of tiny, airborne particles called aerosols, act as nuclei around which cloud droplets form.

The body coil is a transmit and receive coil, which excites nuclei and collects signals as the nuclei relax.

Karyogamy The fusion of two nuclei that exist within a common cytoplasm, as occurs in the formation of the zygote from two gametes.

Some of these neutrons will be absorbed by other uranium nuclei, which will split in turn, resulting in yet more neutrons.

Then along came atomic clocks, following the beat of quantum mechanics, the laws that govern the energies of electrons bound to nuclei.

Detail of a group of epithelial cells containing bright red (eosinophilic) secretory granules. Nuclei are dark with hematoxylin.

Stars and active galactic nuclei aren't the only celestial objects that generate hard-to-observe magnetism.

Experimenters who study collisions of neutrinos with nuclei experienced frustrations of a different sort - an excess of riches.

The study of the insides of atoms, or of atomic nuclei, is called nuclear science, or nucleonics .

Sexual reproduction The formation of new individuals by fusion of two nuclei or sex cells ( GAMETES ) to form a diploid ZYGOTE.

When neutrinos interact with electrons or nuclei of those water or oil molecules, they give off a flash of light that sensors can detect.

Which turns four hydrogen nuclei to a helium nucleus. The star will have a convective shell and a radiative core just like our own Sun See.

The typical giant cell for infectious granulomas is called a Langhans giant cell and has the nuclei lined up along one edge of the cell.

The nuclei removed by these techniques are not surrounded by a narrow rim of cytoplasm and a plasma membrane.

Many of the heaviest nuclei can be induced to break up into two fragments of intermediate size, a process called nuclear fission.

See nuclear fission; nuclear fusion. The splitting of heavy atomic nuclei to release energy in the form of heat and radioactivity.

This curriculum emphasizes the scientific study of the properties and behavior of atomic nuclei.

With the same numbers of protons , all nuclei of a given element may have different numbers of neutrons.

Astronomers call the most energetic of these objects active galactic nuclei, or AGNs, after the powerful jets of radiation they spew.

The initial formation of small ice particles is also the result of heterogeneous nucleation by particles in this case freezing nuclei.

Both Nuclear Magnetic Resonance (NMR) and X-Ray absorption spectroscopies characterize local order around the observed nuclei.

Histones are protein- found in eukaryotic cell nuclei, tightly bound to DNA, which has many phosphate groups.

Pathologic evaluation of the lesions demonstrates necrosis (due to severe edema) in the thalami, tegmentum, and dentate nuclei.

The origin of continental nuclei has long been a puzzle.

a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy.

The return of the nuclei to their equilibrium state does not take place instantaneously, but rather takes place over some time.

[font=Times New Roman]The genes that control the body clock are most active in parts of the brain called the suprachiasmatic nuclei.

relatively small due to water evaporation and the formation of more small "droplet nuclei" , suspended in the air and spread disease.

This is due primarily to the limited space within the posterior fossa, as well as the potential involvement of the vital brain stem nuclei.

This re radiation or transmission of energy by the nuclei as they return to their initial state is what is observed as the MRI signal.

The apparatus would be useful for testing the freezing nuclei in water and the research of cloud seeding agent.

Daughter nuclei moved towards the egg surface in the form of cometic energids to form blastoderm during the cleavage.

The metastases are composed of glandular configurations with pleomorphic cells and hyperchromatic nuclei, consistent with adenocarcinoma.

Nuclear physics is an effective theory of nuclei, whereas the Standard Model is the effective theory of quarks and gluons.

Previous research has shown that testosterone boosts the number of nuclei in muscle cells beyond the amount produced by working out.

One gram of the products from the fusion of two light atomic nuclei could generate as much energy as 11 tons of coal.

Cadmium ions bound to RPE serve as nuclei of cadmium sulfide crystallization in the presence of sulfide ions.

Thus we see that ideas are embryonic thoughts, nuclei of spirit-substance from the inner worlds.

Traditional MRI takes advantage of the very faint magnetic signals emitted by hydrogen nuclei in the sample being imaged.

The pathology of the lymph node biopsy reveals diffuse infiltration of the nodes large pleomorphic lymphocytes with horseshoe-shaped nuclei.

At high magnification, the granuloma demonstrates that the epithelioid macrophages are elongated with long, pale nuclei and pink cytoplasm.

During the past twenty years, evidence has accumulated for the presence of phospholipids within the nuclei of eukaryotic cells.

When wafted into the air, the microscopic bugs are believed to act as ice nuclei, thus increasing the likelihood of rain or snow.

Isotopes are forms of a chemical element whose nuclei have the same atomic number, Z, but different atomic masses, A.

The chalazal parts of the endosperm containing free nuclei forms several lobes .

The septal nuclei lesion had some effect on learning and memory abilities in the early days in rats, and no effect on obtaining memory.

These neutrons react with nitrogen nuclei, giving out a proton and producing the active carbon isotope 14.

on the right at high magnification the atypical nuclei characteristic for a carcinoma are present.

Earlier studies looked only at galaxies with the brightest active nuclei, which could have biased their results, Jahnke said.

At higher magnification, vasculitis with arterial wall necrosis is seen. Note the fragmented remains of neutrophilic nuclei (karyorrhexis).

Stimulation of the subthalamic nuclei in patients with Parkinson's causes immediate and significant improvements in tremor.

Results The nuclei of tumor cells had a high frequency of mitoses. Tumor cells showed diffuse distribution or nest the bands of arrangement.

These cells donate their nuclei to the damaged fibers, helping them to repair by increasing the size and number of proteins.

Their nuclei are elongated and are usually located near the base of the cells.

Electrons, which orbit atomic nuclei and give atoms their distinctive characters, are also considered fundamental particles.

During the time of cell wall formation, numerous fibers radiated from the nuclei were conspicuous. 5.

They targeted the chromosomes that reside within the nuclei of all cells, and specifically telomeres, caps at the tips of chromosomes.

The photoreceptors' nuclei appear here as cyan, and the cells' elongated bodies are in a range of colors, from purple to reddish.

the nuclei and their essential microfilament and microtubule domains in prophase of the twelfth mitotic division.

The photoreceptors' nuclei appear here as cyan, and the cells' elongated bodies are in a range of colors, from purple to reddish.

the nuclei and their essential microfilament and microtubule domains in prophase of the twelfth mitotic division.

The follicles were lined by cells with moderate amphophilic to eosinophilic cytoplasm with round nuclei and occasional prominent nucleoli .

Fog is formed by the condensation of water vapour on condensation nuclei that are always present in natural air.

Fire a high-speed proton at a Boron target and the two fuse together to form three helium nuclei and a lot of energy.

Radioactivity provides an extremely sensitive method of analysis since disintegration of individual nuclei are monitored.

The nuclei of atoms must be split before atomic energy can be released.

These cells in brain parenchyma surrounding hemorrhage have atypical nuclei that makes me suspect an infiltrating astrocytoma.

Earth's interior in the nuclei of uranium and thorium will have been destroyed when the electrons and "anti-electron neutrino. "

n Colon adenocarcinoma: Necrosis, columnar, hyperchromatic nuclei.

n Colon adenocarcinoma: Necrosis, columnar, hyperchromatic nuclei.

Stratified squamous epithelium ; surface cells have lost most organelles ; some shrunken nuclei present.

Results The amaranthine nuclei had a distinct outline and distributed evenly on the slide.

Translocation of FOS and MYC from cytoplasm to nuclei of spermatogonia is consistent with quick proliferation of spermatogonia .

These disks, called active galactic nuclei, can outshine the rest of the host galaxy.

Nuclear energy can be obtained by breaking up the nuclei of the heaviest atoms such as those of uranium.

The limiting temperatures of hot nuclei calculated with various nuclear forces or models and experimental results are compared.

The microscopic features include hypercellularity, hyalinized fibrosis, relatively uniform cells with oval nuclei and often clear cytoplasm.

is an ideal circumstance for initiating the spins and orbital motions of electrons and nuclei in solids.

Atomic nuclei containing several closely packed protons exist at all.

Atomic nuclei containing several closely packed protons exist at all.

Mitotic exit is then completed by disassembly of the spindle and packaging of chromosomes into daughter nuclei.

Nuclear power is any nuclear technology designed to extract usable energy from atomic nuclei via controlled nuclear reactions.

Natural aerosols are the most common condensation nuclei in pristine environments.

In certain fusion processes, among nuclei of the hydrogen isotopes, neutrons of high energy are liberated.

Result The two nuclei functioned differently in the maintenance of the temperature rhythm.

The paper discussed the change rule of meristematic nuclei and their relation with the intercellular rhizobia.

Advanced civilizations may live safely inside the super-massive black holes in the galactic nuclei without being visible from the outside.

However, the neoplastic cells show pleomorphism , with hyperchromatic nuclei.

When that field disappears the nuclei "relax, " returning to their previous state of alignment.

The nuclei are ovoid or round with finely reticular chromatin and rare punctate nucleoli. The cytoplasm is pale eosinophilic or clear.

Conclusion Bidirectional fibrous connection exists between Gi and majority of visceral motor nuclei.

At a temperature of one billion degrees celsius, protons and neutrons start to come together to form nuclei, the charged cores of atoms.

Transparent or light red staining cytoplasm and small vesicular nuclei, much like prostate cancer, but the essence of macrophages.

But accelerators could potentially produce nuclear fusion, which fuses atomic nuclei together.

Three-dimensional cluster of cells with irregular, hyperchromatic and overlapped nuclei.

Referenced criteria and further typing depend on growth pattern and ground glass nuclei characteristics.

Parthenogenesis in which the egg is activated by sperm, but without fusion of the egg and sperm nuclei.

Same case as the preious image. The nuclei are enlarged and vesicular with prominent nucleoli . Increased mitotic activity is seen.

Bacteria, rather than having complex nuclei, carry their genes on simple rings of DNA which float around inside their cells.

The red cells, which are called erythrocytes, are rather small and have no nuclei.

The neoplastic cells appear glial, and many have oval and relatively uniform nuclei surrounded by perinuclear halos.

This is an image of an endothelial cell attached to synthetic microfibers, stained with microtubules, F-actin and nuclei.

Zap it from all sides simultaneously with the lasers and, scientists hope, the pellet will implode and the hydrogen nuclei will fuse.

Researchers had previously thought that when muscles atrophy, the extra nuclei are killed by a cell death program called apoptosis.

They have the same number of protons in their nuclei (this is the defining characteristic of an element), but different numbers of neutrons.

These particles are potential condensation nuclei and their reduction may cause a reduction in rainfall.

Plasma forms when gas becomes so hot that electrons are stripped from atomic nuclei, leaving behind a soup of charged particles.

The uppermost layer consists of umbrella cells (not well seen in this image) which may hae irregular hyperchromatic nuclei.

Results. Typical apoptotic changes of the cell nuclei were observed in the DRG after application of TNF.

In each of these two groups, the diploid cell nuclei populations exhibited cell colonies larger and more dense than the nondiploid colonies.

The large majority of the colors produced by nature and men have these nuclei as essential components.

These droplets become the nuclei, or "seeds" , around which reflexive stratocumulus clouds can form.

Such particles, called condensation nuclei, are almost always in the air.

In heterogeneous nucleation, small particles present in the solution act as nuclei to start the crystal formation.

Isomers are elements whose nuclei can be nudged to release energy by firing X-rays at them.

The positive material was buffy fine particle main localized in the cytoplasm, occasionally in the nuclei of liver cell.

Mesangial cell nuclei showed irregular shape and mitochondria swelled, stroma was normal.

The particles increase the density of clouds by increasing the amount of nuclei contained within.

Concentrated bunchy apoptosis buffy nuclei could be observed in model group.

Enucleated cells are prepared by removing cell nuclei in the presence of the drug, cytochalasin B.

adenoma. Endocrine neoplasms are composed of small round cells with small round nuclei and pink to blue cytoplasm.

Because the forces keeping the nuclei apart are so strong, the task requires extremely complex engineering and an insane amount of power.

The nuclei of the Paget's cells are atypical and, though not seen here, often have prominent nucleoli.

Borax carmine A dye used to stain nuclei for light microscopy.

Phenomena involving the transfer of energy from neutrons to nuclei.

Their nuclei are pale and vesicular, containing mainly unstained euchromatin.

a bomb releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium.

Heavy elements have nuclei with large positive charges, which makes it more likely that they have strong spin-orbit coupling.

In the cooling storage ring absolute value of charge mean root radius of Lithium-like nuclei will be measured by the X-ray laser.

After they absorb energy, the nuclei release or reradiate this energy so that they return to their initial state of equilibrium.

The three classic theories of urban morphology are the concentric zone theory, the sector theory and the multiple nuclei theory.

Thaw the organization as long as 2% to 3% of the nuclei are not damaged, the application of new technology can extract them intact.

Matter is composed of molecules, which are composed of atoms, which are composed of atomic nuclei and electrons.

Subsequently, chromatin is isolated from nuclei and subjected to sonication.

Bosons include mesons, nuclei of even mass number, and the particles required to embody the fields of quantum field theory.

Cells are arranged in anastomosing cords and hae acidophilic granular cytoplasm and round esicular nuclei with punctate nucleoli.

At the hadronic level, nucleons and mesons are constituents of nuclei and hadronic matter.

The diploid condition is restored when the nuclei of two gametes fuse to give the zygote.

Nuclei of neoplastic cells in clear cell meningiomas are centrally located, not eccentric like in this case.

Amygdala belong to the system of basal nuclei of telencephalon.

The new study suggests that pumping muscles full of nuclei early in life could help stave off muscle loss with age.

During fusion, energy is released as atomic nuclei are forced together at high temperatures and pressures to form larger nuclei.

Over the course of 21 days, the hard-working muscle increased the number of nuclei in each fiber cell by about 54 percent.

The neoplastic glands are more irregular with darker (hyperchromatic) and more crowded nuclei.

Each species has a different number of chromosomes in their nuclei.

In mammals, a master circadian clock resides in the suprachiasmatic nuclei of the anterior hypothalamus.

The probable cause is a congenital malfunction in nerve signals in the trigeminal nerve nuclei.

The circular imprints of the endothelial nuclei were also found on the cast surface of the alveolar capillaries.

Embryo has most commonly eight genetically identical haploid nuclei.

Granular and compact FUS deposits were identified in glia and neuronal cytoplasm and nuclei.

The influence on erythrocytes nuclei in healthy Bufo gargarizans after injected with thioglycolic acid was studied.

The electron clouds are clearly visible as blurs surrounding the invisible nuclei.

In angiosperms it gives rise directly to the two male gametes or generative nuclei.

After the fusion, the blood-cell nuclei begin to express previously silent, neuron-specific genes.

When the electrons fly away from the hydrogen nuclei, they are attracted toward the oxygen atoms.

The invention relates to a medication method of pearl nuclei.

Nuclei are assembled in frog egg extracts and translocated along microtubules using the microtubule motor dynein.

Hyphae with nuclei of different genotypes can fuse to form a heterokaryon .

The two sperm nuclei and the tube nucleus are all derived from a single microspore nucleus by mitosis.

Fusion involves colliding small atomic nuclei together to form larger ones, and thus releasing energy.

And we call them active galactic nuclei. And we call them that because their nucleus, or their center, are very active.

The neocytoplasm and the engulfed free nuclei migrate towards the base of the egg.

The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.

The WBC's seen here are lymphocytes, but they are blasts--very immature cells with larger nuclei that contain nucleoli.

Genes are linked together in cell nuclei on structures called chromosomes.

Second, its region is the most difficult in which to describe odd-odd nuclei .

The research is concentrated on the collisions of neutrons and uranium nuclei.

including halos and giant halos at the neutron drip line in nuclei and hyper-nuclei.

Nuclear fusion - the melding of atomic nuclei that happens inside stars - is a long-sought goal on Earth.

In certain amphibians, the larger the animal, the larger the genome and the larger the cells and nuclei.

Laser energy atomic nuclei, the prospects for the peaceful uses far.

Example The chain reaction of uranium nuclei caused by neutrons is explained by the critical experiment.

Compared these four types, at last I select the most suitable model--multiple nuclei network.

The cells are relative uniform and hobnail-like appearance with round nuclei.

Atomic nuclei, in contrast, have remained far more inscrutable.

Soon, however, the protons won't be alone, lead ions -- whole atomic nuclei -- will be smashed up.

The process continues as a chain reaction with other nuclei.

The free neutrons can bombard other nuclei, leading to a series of fissions called a chain reaction.

Note the more cellular "Antoni A" pattern on the left with palisading nuclei surrounding pink areas (Verocay bodies).

Much of what we know about nuclei comes through scattering experiments.

Tubal metaplasia. You look for cilia and stratified but bland nuclei.

But radioactive atoms have unstable nuclei, meaning they can move around the chart.

Further it can be said, that any substance in possession of plasma or nuclei has gravitational attraction in respect to the planet.

In the first place, the fractional decrease in neutron energy per collision is, on the average, greatest for light nuclei.

Fusing heavy hydrogen isotopes requires lots of energy, partly because the nuclei are positively charged and repel each other.

Connection between life and radioactive nuclei is straightforward.

Note 1: Elements heavier than iron are produced by the capture of neutrons by atomic nuclei.

This thing provides the nuclei division with the release of heat.

Transient expression of the ZF3-GFP protein in onion epidermal cells showed that ZF3 was localized in cell nuclei.

In fact, the cell colonies from the euploid cell nuclei populations were larger and more dense than those from the aneuploid ones.

Because nuclei are positively charged, they are mightily difficult to push together.

the substantia nigra and other dopaminergic nuclei are affected only later in the course.

Nuclei are darker and more irregularly sized and closer together in the adenomatous polyp than in the normal mucosa.

TDP-43 is normally present in the nuclei of healthy brain cells, and is believed to play a role in transcribing the genetic code.

Contrast to HMG histone H1 showed obvious inhibition effect on transcriptional activity of all of the rat liver nuclei.

HSP27 expression was located in cytoplasm, and nuclei and blood vessels of tumors were not stained.

The Role of Giant and Ultragiant Nuclei in the Formation of Early Radar Echoes in Warm Cumulus Clouds.

The cells of the neoplasm have clear nuclei.

Enlarged, variablely sized nuclei with some crowding and overlap of nuclei.

Using or derived from the energy of atomic nuclei; atomic.

The nuclear force can maintain the stability of a nuclei so that it can also maintain the stability of the neutron stars.

This allows a short-range phenomenon called the strong nuclear force to take over and causes the nuclei to merge and form helium.

Nuclei are composed of protons and neutrons.

Iron atoms have 26 electrons in different orbitals around their nuclei.

Nuclei are about as large as a "barn" .

Hypernuclei are similar to nuclei.

Such crystals are thus efficient condensation nuclei and so promote precipitation from a cloud.

Most of rhinolisths are exogenous origins due to foreign bodies in their nuclei. Endogenous origins such as supernumerary teeth are rare.

For example, heart muscle cells have two nuclei, which means the DNA could be in there twice, so this could screw up the carbon 14 dating.

If there wereepithelial cells on the root, we could use their nuclei for DNA analysis.

The sperm nucleus moving to egg nucleus runs faster than the one to the polar nuclei.

Based on Wakayama's techniques, Iritani's team devised a method to extract the nuclei of mammoth eggs without damaging them.

Hoechst-PI staining, see RSGCs and SF-blend films cocultured 3 days RSMG-cell nuclei showed diffuse homogeneous blue fluorescence.

The nuclei are quite irregular in shape.

Other vertebrates such as fish, reptiles and birds have red cells that contain nuclei that are inactive.

Results: CD8 T cells were distributed in the stroma of nests, and the antigen of FOXP3 was located in lymphatic nuclei.

These two nuclei, when they're far apart, are charged.

on the other hand, we found a new and easier way to reconstruct nuclei in the central nervous system.

Nuclear fission can only occur in some types of heavy and unstable nuclei such as in the uranium -235 and plutonium -239.