Sentences with phrase «blood vessels within»

Heartworms set up housekeeping primarily within the heart and the blood vessels within the lungs where they are capable of wreaking havoc.
Small particles of fibrocartilage believed to come from the discs between the vertebrae (bones of the spine) block blood vessels within the spinal cord.
For example, some cats may exhibit neurologic signs or seizures if a clot becomes lodged in blood vessels within the brain, while patients with blood clots in the right side of the heart may develop acute respiratory distress if the clot lodges in blood vessels within the lungs.
PSVA differs from MVD in the following way: the PSVA malformation involves one or rarely two large vessels that shunt blood around the liver directly to the heart, whereas the MVD malformation involves microscopic blood vessels within the liver.
Malignant tumors of the blood vessels within the marrow (hemangiosarcomas) are relatively common in dogs although the clinical disease usually shows elsewhere first.
And if we've got more blood volume, inherently, we have greater blood pressure, because there's more volume in the same amount of blood vessels within the body.
We have 60,000 miles of blood vessels within us that are lined with smooth muscles that constrict (or) dilate based on our perception of temperature.
EDTA is a remarkable arterial cleansing agent with the ability to effectively remove the plaque, cholesterol, and toxic heavy metals that congest, restrict, and impede blood flow and oxygen throughout the 75,000 miles of blood vessels within the body.
Excess calcium also might somehow affect the blood vessels within the brain.
Experts believe migraine headaches are caused by abnormal brain activity, including dilation and constriction of the blood vessels within the brain.
Brain tissue is largely a soft mass but the blood vessels within it are fibrous and strong, like wires across cheese.
Lymphocytes constantly circulate through blood vessels within lymph nodes and other lymphoid organs, but only some actually enter lymphoid tissue by crossing the walls of the vessels, known as high endothelial venules (HEVs).
Having got that far, they could then reach the baby either by crossing into the baby's blood vessels within the placenta or by passing into amniotic fluid, which is swallowed by the baby, suggests Aagaard.
«This peptide acts as a «zip code» in that it enables the binding of the nanoparticles only to blood vessels within the tumor and not normal blood vessels,» says Alnawaz Rehemtulla, a radiologist and environmental health scientist who co-authored the study.
This is the first time researchers looked at newly formed neurons and the state of blood vessels within the entire human hippocampus soon after death.
Generally head shaking breaks a blood vessel within the earflap, which bleeds and kinds a blood blister (haematoma).
A dog who frequently shakes its head due to an infection can get an aural hematoma, where a blood vessel within the ear pinna (flap) bursts causing a buildup of blood that makes the ear flaps swell.

Not exact matches

Crying slows the intake of blood, which is also controlled by constriction of the vessels within the cord7 — both of which imply that the baby may be able to regulate the transfusion according to individual need.
This violent movement pitches the baby's brain back and forth within the skull, sometimes rupturing blood vessels and nerves throughout the brain and tearing the brain tissue.
After the shaking, swelling in the brain can cause enormous pressure within the skull, compressing blood vessels and increasing overall injury to the brain's delicate structure.
Advances in radiology have made it possible for specially trained neurosurgeons, called endovascular neurosurgeons, to make repairs from within blood vessels using catheters and guide wires.
People can also have the equivalent of a stroke within the eye if a clot blocks one of the blood vessels that feed the retina.
The blood vessels are arranged such that veins carrying blood back to the body's core give up heat generated within the ever - active muscles to the blood coming from the heart in arteries, the researchers report online today in Biology Letters.
This allows the autoimmune leukocytes to adhere to the blood vessel walls within the inner parts of the nerve, ultimately migrating with direct access to the axons where demyelination can occur.»
Badylak became convinced that if he could find a blood vessel substitute within a patient's own body, he could stop the inflammation.
Niklason hopes that other simple engineered tissues, such as the blood vessels she has been working on, will be ready for human trials within a year.
Their experiments revealed that the presence of ICs within the joint space induces the generation of complement C5a, a component of the innate immune system, which is then displayed on the inner walls of adjacent blood vessels.
Current thinking regarding type III hypersensitivity is that immune cells within tissues sense the presence of these immune complexes (ICs) through specific receptor molecules and release inflammatory factors called cytokines that activate the endothelial cells lining adjacent blood vessels to promote the recruitment of neutrophils.
Until now, many scientists believed that blood flow within the brain was solely controlled by changes in the diameter of arterioles, blood vessels that branch out from arteries into smaller capillaries.
Spontaneous SAH is an abnormality within the brain's arteries that weaken and leads to ruptures in the blood vessels on the surface of the brain, causing bleeding between the membranes surrounding the brain.
Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have identified the microenvironment surrounding microvasculature — the small blood vessels that transport blood within tissues — as a niche where dormant cancer cells reside.
«The glucose gradient increases from within blood vessels into the brain, and that carries our particles toward the [blood — brain barrier],» he says, «and this gradient is much steeper around brain tumors.»
But they only saw infected cells within blood vessels, and these cells were not able to cross the blood brain barrier.
In a worst - case scenario, malaria - clogged blood vessels in the brain and other organs bring death within days, especially in youngsters, who have immature immune systems, and adults (like the Marines in Liberia) with no immunity to malaria.
Plasminogen activator inhibitor - 1, or PAI - 1, is a naturally occurring protein within blood vessels that controls cell migration.
Within the blood vessels of the brain, endothelial cells and other adjacent cells form a tight barrier that helps to prevent toxins and microbes from entering the brain.
The open structure also allows room for the egg cells to mature and ovulate, as well as blood vessels to form within the implant enabling the hormones to circulate within the mouse bloodstream and trigger lactation after giving birth.
Specifically, the NFTs accumulate within cells near the blood vessels at the bottom of the sulci, the folded portions, of the cortex.
It both promotes angiogenesis within the tumor and increased the migration of endothelial cells, which form the inner lining of blood vessels.
This process requires a fundamental change in the character of cells within the primary tumor, insofar as members of a localized cell mass must be converted into actively migrating cells that invade into the surrounding tissue and blood vessels, and finally settle in distant tissues.
Lodged less than an inch from Ötzi's left lung, the arrowhead not only paralyzed his left arm but also shattered his shoulder blade, tearing major blood vessels and causing him to bleed to death, probably within hours.
The Canada - Taiwan research team, led by Reisz, used the synchrotron at the Taiwanese National Synchrotron Radiation Research Centre to find the substance in place, known as collagen type I, preserved within the tiny vascular canals of the rib where blood vessels and blood would be in the living dinosaur.
To study this barrier and determine why a lack of blood flow causes it to leak, the researchers built a blood - vessel - on - a-chip model consisting of a channel lined with a layer of human endothelial cells surrounded by extracellular matrix within a microfluidic device, which allowed them to easily simulate and control the flow of blood through a vessel and evaluate the cells» responses.
MMP - 3 immunoreactivity was detected in cells within the lesion site, invading neutrophils, and blood vessel endothelial cells in the area outside of the initial injured area (the penumbra).
One of the studies, by Johns Hopkins University scientists in collaboration with many other groups, turned up unexpected hints that biochemical signals controlling blood pressure may spring from within cells that line blood vessels themselves.
Eighteen patients had borderline resectable PDA (the cancer was primarily located within the pancreas), and 16 patients had locally advanced PDA (the cancer had spread into nearby blood vessels).
The largest increase in blood flow occurred in two small areas, or nuclei, within the brain stem which control the constriction and dilation of blood vessels in the brain.
Within days, bright green blood vessels could be seen sprouting in and around these little balls of cells.
«Using different genetic techniques, we inhibited Wars2 function in both rats and zebrafish, and the resulting animals showed impairment of blood vessel formation within the heart and in the rest of the body,» described Mr Wang.
The hematopoietic stem cells that last the lifetime of the organism form within nodes of the mesoderm that line the mesentery and the major blood vessels.
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