Vessels

Model for new generation of blood vessels challenged

In-growth and new generation of blood vessels, which must take place if a wound is to heal or a tumor is to grow, have been thought to occur through a branching and further growth of a vessel against a chemical gradient of growth factors. Now a research team at Uppsala University and its Universit...

'Normalizing' tumor vessels leaves cancer more benign

A report publishing online on February 12th in the journal Cell , a Cell Press publication, suggests a counterintuitive new method to make cancer less likely to spread: by normalizing the shape of tumors' blood vessels to improve their oxygen supply. Such a treatment strategy might also boost the...

Heart Blood Vessels Grown in the Lab

Could offer a future alternative to bypass surgery, researchers say FRIDAY, July 18 (HealthDay News) -- Researchers say they have grown in mice the kind of functioning heart blood vessels that cardiac surgeons create with bypass operations. One ultimate goal is to replace some heart...

Leaky blood vessels open up nerve cells to toxic assault in Lou Gehrig's disease

Leaky blood vessels that lose their ability to protect the spinal cord from toxins may play a role in the development of amyotrophic lateral sclerosis, better known as ALS or Lou Gehrigs disease, according to research published in the April issue of Nature Neuroscience. The results mark the fir...

Brain Blood Vessels Grow With Their Own Agenda

Study finds endothelial cells follow a genetic program independent of developing tissue WEDNESDAY, March 19 (HealthDay News) -- A radically different concept of how the brain's blood supply develops is outlined in a study led by Massachusetts General Hospital researchers. In experim...

Study in Nature: MicroRNAs hold promise for treating diseases in blood vessels

A newly discovered mechanism controls whether muscle cells in blood vessels hasten the development of both atherosclerosis and Alzheimer's disease, according to an article published online today in the journal Nature . The study was led by the Gladstone Institute of Cardiovascular Disease (GIC...

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Vessels in Medical Technology

Scientists Discover a Role for the Growth Factor TGF-beta in Maintaining Health of Retinal Blood Vessels

BOSTON, April 7 /PRNewswire-USNewswire/ -- Scientists at Schepens Eye Research Institute have found that the growth factor known as TGF-beta is essential to the health of blood vessels in the retina and that blocking it can cause retinal dysfunction. These findings, published in the April 2 is...

Study Finds Taxus(R) Drug-Eluting Stent Beneficial in Treatment of Large Vessels

Results from TAXUS IV and V randomized clinical trials favor DES compared to bare-metal stents NATICK, Mass. and CHICAGO, April 1, 2008 /PRNewswire-FirstCall/ -- Boston Scientific Corporation (NYSE: BSX ) today welcomed favorable outcomes of one- year data from the Com...

Prescient Medical, Inc. Acquires New Technology to Detect Inflammation in Coronary Blood Vessels

Time Resolved Light Induced Fluorescence Spectroscopy (TR-LIFS) to be Combined with Other PMI Diagnostic Technologies to Help Prevent Deaths Related to Heart Attacks DOYLESTOWN, Pa., Nov. 13 /PRNewswire/ -- Prescient Medical, Inc., a privately held medical device com...

St. Jude Settles Century-Old Debate on Origin of Mammalian Network of Lymphatic Vessels

Embryonic veins are the source of cells that multiply and migrate in the embryo to give rise to the entire network of lymphatic vessels, a finding that suggests that these cells might one day be used to grow new vessels MEMPHIS, Tenn., Oct. 3 /PRNewswire-USNewswire/ -- Investigators at St. ...

NCI Researchers Discover Genes That Are Turned on at High Levels in Tumor-associated Blood Vessels of Mice and Humans

BETHESDA, Md., June 11, 2007--A team of researchers at the National Cancer Institute (NCI), part of the National Institutes of Health (NIH), has uncovered a set of genes that are turned on, or expressed, at high levels only in the blood vessels that feed tumors in mice and humans. These genes, and...

2,500 Cases Completed With the Magnetic Irrigated Catheter

... enable physicians to complete more complex interventional procedures by providing image guided delivery of catheters and guidewires through the blood vessels and chambers of the heart to treatment sites. This is achieved using computer-controlled, externally applied magnetic fields that govern the motion of...

Vessels in Medical Products

The VNUS Closure System

Description:...(RF) energy. With VNUS ClosurePlus , Closure RFS and ClosurePlex catheters, physicians can treat incompetent saphenous, perforator and tributary vessels with minimal post-operative pain and bruising. Numerous published randomized and multi-center clinical studies, now with 5 year follow-up results, ve...
Company:VNUS Medical Technologies, Inc.

AXIOM Artis dFC Magnetic Navigation

Description:...ophysiology and interventional cardiology. Assisted by two cutting-edge magnets, physicians are able to guide the catheter and guide wires through the vessels and chambers of the heart with utmost precision....
Company:Siemens Medical Solutions USA, Inc.

Innova 2100 IQ

Description:... With the GE Innova 2100IQ: See the finest vessels from the heart to the legs. Place interventional devices. Its all enabled by the Revolution detector, the one-piece flat panel that helps deliver exce...
Company:GE Healthcare

Multi frequency Micro Surgery Transducer UST-533

Description:...t situations. It has proven to be a choice transducer for pediatric scanning and CBD scanning. Its high frequency upper end makes it perfect for small vessels and ducts....
Company:ALOKA, Inc.

Impact2 Equalizer 384 8-Channel Electronic Pipettor, 0.5-12.5L

Description:...throughequal tip spacings that expand with the simple adjustment of a slide rod. This innovation allows the quick and easy transfer of liquids between vessels with different configurations. Adjustable and Equal Tip-To-Tip Spacing The Equalizers tips can be spaced anywhere from 9mm (microplates) to 14.15mm ...
Company:Matrix Technologies Corporation

Impact2 Equalizer 384 8-Channel Electronic Pipettor, 2-125L

Description:...throughequal tip spacings that expand with the simple adjustment of a slide rod. This innovation allows the quick and easy transfer of liquids between vessels with different configurations. Adjustable and Equal Tip-To-Tip Spacing The Equalizers tips can be spaced anywhere from 9mm (microplates) to 14.15mm ...
Company:Matrix Technologies Corporation

Vessels in Medical Definition

Clean margin

... extending past a set delineation known as the 'tumor margin'. [1] This is an important issue in areas that are functionally important (ie. large vessels like the aorta or vital organs), or in areas for which the extent of surgery is minimized due to aesthetic concerns (ie. melanoma of the face or ...

Fat transfer

...ter is the width of a single line drawn by a ballpoint pen.) Blunt syringes and cannulas are used to place the fat so that no damage is done to blood vessels or nerves . The fat is layered from the pectoralis major muscle up through the top of the breast; the surgeons rely on the fat injections to shape...

Pathology

...osis - Aortic dissection - Raynaud's phenomenon / Raynaud's disease - Buerger's disease - Intermittent claudication Veins , lymphatic vessels and lymph nodes Thrombosis - Phlebitis - Deep vein thrombosis - Portal vein thrombosis - Venous thrombosis - Budd-Chiari syndrome - ...

Medicine

...status, presence of jaundice, pallor or clubbing ) Skin Head , eye , ear , nose , and throat (HEENT) Cardiovascular ( heart and blood vessels ) Respiratory (large airways and lungs ) Abdomen and rectum Genitalia (and pregnancy if the patient is or could be pregnant) Musculoskele...

NeuroArm

...be precise within 0.01 mm (compare to 2mm by neurosurgeons with years of experience). [1] With NeuroArm, experience neurosurgeons can join together vessels that are much smaller. [1] When performing surgery, NeuroArm will be used in conjunction with the iMotion 1.5 Tesla Magnet. The iMotion magnet wi...

Stasis (medicine)

... In medicine , stasis means the state in which the normal flow of a body liquid stops, for example the flow of blood through vessels or of intestinal contents through the digestive tract . ...

Vessels in Medical Dictionary

Vasoconstriction

... Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particula...inition of Vasoconstriction . Vasoconstriction : Narrowing of the blood vessels resulting ... ... II induced and norepinephrine induced vasoconstric...

Vein

... vein deep within the body. The word thrombosis means forming a blood clot. The clot itself ... In anatomy, a vein is any of the blood vessels that carry blood toward the heart, ... The pulmonary vein carries oxygen-rich blood from the lungs to the left atrium ... ...

Vascular diseases

...... conditions that fall under the category of vascular disease . ... Peripheral vascular disease (PVD) refers to diseases of the blood vessels ... What are the other causes of peripheral vascular diseases ? ... In most cases, with early detection, vascular disease can be treated ...

Vasodilation

... Vasodilation refers to the widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls, particularly in the large arteries, smaller arterioles and large veins. Th...

Vasculitis

..... Different types of vasculitis involve blood vessels in characteristic locations ... Vasculitis is a condition in which the body's blood vessels develop inflammation. ... Much is still unknown ab...often are grouped based on the size of the blood vessels they affect. ... Mostly Large Vessel Vasculitis ...

Vascular

...at is vascularized is heavily endowed with blood vessels and thus richly supplied with blood. ... be r...rols ... Main article: Vascular disease. Blood vessels play a role in virtually every medical condition. ...fined as disorders of arteries, veins, and lymph vessels ... care, education and research in vascular dis...

Vessels in Biological News

New evidence of how high glucose damages blood vessels could lead to new treatments

AUGUSTA, Ga. New evidence of how the elevated glucose levels that occur in diabetes damage blood vessels may lead to novel strategies for blocking the destruction, Medical College of Georgia researchers say. They found a decreased ability of blood vessels to relax resulted from increased acti...

Tiny tool to control growing blood vessels opens new potential in tumor research

Researchers at Uppsala University have developed a new tool that makes it possible to study the signals in the body that control the generation of blood vessels. The researchers' findings, published in the new issue of Lab on a Chip , enable scientists to determine what signals in the body attra...

Control of blood vessels a possible weapon against obesity

[PRESS RELEASE, 7 January 2009] Mice exposed to low temperatures develop more blood vessels in their adipose tissue and metabolise body fat more quickly, according to a new study from Karolinska Institutet. Scientists now hope to learn how to control blood vessel development in humans in order to ...

Fuel emissions from marine vessels remain a global concern

The forecast for clear skies and smooth sailing for oceanic vessels has been impeded by worldwide concerns of their significant contributions to air pollution and greenhouse gas emissions that impact the Earth's climate. A new study by professors James Winebrake and James Corbett examines "Emi...

Normalizing tumor vessels to improve cancer therapy

Chemotherapy drugs often never reach the tumors they're intended to treat, and radiation therapy is not always effective, because the blood vessels feeding the tumors are abnormal"leaky and twisty" in the words of the late Judah Folkman, MD, founder of the Vascular Biology program at Children's Ho...

Diabetes makes it hard for blood vessels to relax

One way diabetes is bad for your blood vessels is by creating too much competition for an amino acid that helps blood vessels relax, researchers say. That amino acid, L-arginine, is broken down by the enzyme arginase to urea, which helps the body eliminate toxins resulting from the proteins we ...

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Vessels in Biological Technology

Publication in Clinical Cancer Research Confirms Ability of Peregrine's Bavituximab to Target Tumor Blood Vessels with Excellent Specificity

- Data Further Supports High Degree of Tumor Targeting Specificity for Bavituximab, Currently in Phase II Cancer Trials in Combination with Chemotherapy - - Imaging Study Also Suggests Potential Utility of Anti-PS Agents for Molecular Imaging ...

ITGI Medical Received a CE Mark for its Second Pericardium Covered Stent - AneuGraft(R) - for Tortuous Vessels

OR AKIVA, Israel, September 30 /PRNewswire-FirstCall/ -- ITGI Medical, Ltd. (TASE: ITGI) a company engaged with research, development, manufacturing and marketing of heterologous tissue covered stents, announced that its second heterologous tissue covered stent - AneuGraft(R) received CE Mark ...

Boston Scientific Announces FDA Approval of TAXUS(R) Express2(TM) Atom(TM) Stent System, First Drug-Eluting Stent For Small Vessels

Company also announces FDA approval of TAXUS(R) Express2(TM) Stent System for treatment of in-stent restenosis NATICK, Mass., Sept. 25 /PRNewswire-FirstCall/ -- Boston Scientific Corporation (NYSE: BSX ) today announced that it has received approval from the U.S. Food and Drug...

FDA Clears OmniWave(TM) Endovascular System for Clot Removal in Peripheral Blood Vessels

WILMINGTON, Mass., Oct. 8 /PRNewswire/ -- OmniSonics Medical Technologies, Inc., a developer of advanced medical devices for use in the treatment of vascular disease, announced today that it has received clearance from the U.S. Food and Drug Administration (FDA) to market its catheter based Om...

Angiotech Pharmaceuticals, Inc. announces financial results for the second quarter ended June 30, 2009

...oronary stent system, a next-generation paclitaxel-eluting stent specifically designed for treating small coronary vessels. It was approved for use in vessels as small as 2.25 mm in diameter and joins the TAXUS Express Atom(TM) stent as the only drug-eluting stents ("DES") approved for small vessel use in th...

PTC Therapeutics Initiates Phase 2 Clinical Trial of PTC299 in Patients with Neurofibromatosis Type 2

...ression of VEGF. (Logo: http://www.newscom.com/cgi-bin/prnh/20010919/PTCLOGO ) VEGF plays a critical role in the formation of new blood vessels or angiogenesis and its suppression has been shown to decrease tumor size and improve hearing in some patients with NF2. PTC299 selectively blocks th...

Vessels in Biological Products

Human / Mouse / Rat Blood Vessels (CD31 / Von Willebrand Factor (vWF)) IHC staining Kit from CHEMICON

Description: CHEMICONs Blood Vessel Staining Kit is a very sensitive immunohistochemical tool for the detection of vascular endothelial cells, containing both anti-von Willebrand Factor and anti-CD31 primary antibodies and is applicable to a variety of species. This AP kit provides a simple, all-in-one method f...
Company:CHEMICON

Fermentation System fedbatch pro® from DASGIP AG

Description:...nimum input of resources and maximum information output 4 up to 16 culture vessels High precision with small-scale requirements provides users with proven f... fedbatch pro® features the ability to independently control 4, 8 or 16 vessels with custom defined profiles giving you the flexibility and control for acc...
Company:DASGIP AG

VSOS-4P Variable Speed Orbital Shaker, 115 V from PRO Scientific

Description:...rsal platform (with removable neoprene rubber pad) which can support up to 110 pounds as well as an adjustable bar support set to accommodate standard vessels or odd shaped containers. A variety of accessories are available for the VSOS-4P, such as additional bar sets to increase capacity, as well as vessel...
Company:PRO Scientific

Rocker, Mini from Barloworld Scientific Ltd

Description:... Model SSM4 has a see-saw rocking action that creates a wave motion within vessels such as culture flasks, Petri dishes etc. Digital selection of both speed a...ay. Both models are supplied with a non-slip mat which holds flat based vessels securely in place during mixing. An accessory tier system can be fitted in ...
Company:Barloworld Scientific Ltd

Multi-Pump Module MP8 from DASGIP AG

Description:... Continuous flow of media and other fluid sources for 8 vessels while occupying little lab space The speed of each individual pump is controlled electronically. Both, speed and flow set points, are exactly mainta...
Company:DASGIP AG

Multi-Pump Module MP4 from DASGIP AG

Description:... Continuous flow of media and other fluid sources for 4 vessels while occupying little lab space The speed of each individual pump is controlled electronically. Both, speed and flow set points, are exactly mainta...
Company:DASGIP AG

Vessels in Biological Definition

Anton van Leeuwenhoek

...crafted microscope he was the first to observe and describe muscle fibres, bacteria , spermatozoa and blood flow in capillaries (small blood vessels ). His name at birth was Thonis Philipszoon . His letters were signed Antoni van Leeuwenhoek . He was probably known as van Leeuwenhoek from a ...

Blood

...similar when skin is removed and are seen directly. Blood moves in blood vessels and is circulated by the heart , a muscular pump. It passes to the lungs...ody by the arteries . It diffuses its oxygen by passing through tiny blood vessels called capillaries . It then returns to the heart through the veins . See...

Brain

...ause of death. Often in these cases, more damage is caused by swelling, or edema , than by the impact itself. Stroke , caused by blockage of blood vessels in the brain, is another major cause of death and brain damage. Other problems in the brain can be more accurately classified as diseases than inju...

Cancer

...Telomerase mutations remove additional barriers, extending the number of times a cell can divide. Other mutations enable the tumor to grow new blood vessels to feed it, or to detach from the surrounding tissue, spreading to other parts of the body. Malignant tumors cells, such as in carcinoma , sarcom...

Cartilage

...age is composed of cells called chondrocytes which are dispersed in a firm gel-like ground substance, called the matrix. Cartilage contains no blood vessels and nutrients are diffused through the matrix. Cartilage is found in the joints, the rib cage , the ear , the nose , in the throat and between ...

Computed axial tomography

...onal procedures. Sometimes contrast materials such as intravenous iodinated contrast is used. This is useful to highlight structures such as blood vessels that otherwise would be difficult to delineate from their surroundings. Using contrast material can also help to obtain functional information about t...

Vessels in Biological Dictionary

Vessels

These vessels were also key in history's great explorations and scientific and ... A number of large vessels are traditionally referred to as boats. ... The blood vessels are the part of the circulatory system that transport blood throughout the body. There are three major types ...

Lymphatic vessels

The lymphatic system in vertebrates is a network of conduits that carry a clear fluid called lymph. It also includes the lymphoid tissue through which the lymph travels. Lymphoid tissue is found in many organs, particularly... In anatomy, lymph vessels are thin walled, valved struc...

Xylem

...em . Information about xylem in the Columbia ... wood wood, botanically, the xylem tissue that forms the bulk of the stem of a ... Xylem vessels comprise a vertical chain of lengthened, dead cells known as vessel elements. ... xylem is an important strengthening tissue, ... ...

Vessel cell

...ere is no cell wall material at the ends of the vessels (tomatoes have a ... Four-Gas Mixing in Cell ... dioxide, and ... Glass-jacketed cell culture vessels , 2.2 through 14 liters total volume ... NO med.... Universal bone marrow cell spurs growth of vessels and heart muscle. November 10, 2003 ... stem ...

Venules

... circulating in the blood to directly enter a lymph node . The blood vessels consist of arteries, arterioles, capillaries, venules , and veins. ... th...n ... Latest research news and information about Venules - The minute vessels that collect blood from the capillary plexuses and join together to form...

Venous system

...venous system ? Read answer... The Venous System . Veins are blood vessels that return blood from tissues to the heart. ... Al Tenaiji, A. M, The Ve... Home, library, radiology, chapter20, 20 5 ... procedures in peripheral vessels Interventional procedures in the venous system ... ...