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contraction at Biology News
Small worm yields big clue on muscle receptor action
...his preparation, Richmond was still getting muscle contraction when acetylcholine was applied to worms lacking any of five receptor subunits known to be sensitive to levamisole, a chemical that poisons nematodes. Two additional receptor subunits -- ACR-16 and ACR-8 -- identified using Vanderbilt's data, were fou...OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies
...t as elastin plays a key role in the expansion and contraction of lung during breathing." "Smoking remains a very significant problem during pregnancy and also during infancy," explained Michael Gravett, M.D., chief of maternal-fetal medicine in the Department of Obstetrics and Gynecology, OHSU School of Medici...Spiders help scientists discover how muscles relax
...nt to connect with and move actin filaments during contraction of a muscle. The structural studies were done using tarantula striated muscle, which the team has been studying since the 1980s. Striated muscles from the large, hairy spiders contain filaments that are particularly well ordered, making them easie...Lance Armstrong through a physiological lens: hard training boosts muscle power 8%
... cycling cadence serves to both bring muscle fiber contraction velocity closer to that of maximum power and reduce the muscle and pedaling force required for each cycling stroke," it noted. As body matures, it gets "smarter" Coyle said increased muscle efficiency means that "for the same amount of cardiovascul...No small feat: First ever gene therapy success for muscular dystrophy achieved
... chain of proteins that regulate the cell's normal contraction and relaxation. If the protein is defective, or is lacking, this outside scaffold, called the extra-cellular matrix, disintegrates, and the muscle cells become vulnerable to damage. Simply replacing the defective gene with a good laminin alpha-2 gen...contraction at Biology Products
Mouse Anti-Human Troponin T Monoclonal Antibody, Unconjugated, Clone 9B1 from Lab Vision
...ransmitting the Ca-binding signals responsible for contraction of cardiac muscle. It reacts with subunit T of the troponin complex in human cells. It also cross-reacts with human skeletal troponin T (23.2% by ELISA). Antigen: Highly purified human cardiac troponin T This antibody is suitable for staining o...contraction at Biology Technology
GE partner allows real-time access to patient data
...lude current and historical patient data, maternal contraction patterns, and electronic fetal heart rate monitoring - which is used to assess fetal well-being during labor and to accurately diagnose the incidence of fetal compromise. Physicians can access this data with either personal digital assistants (PDAs)......three bidders for the Madison project. Wi-Fi is a contraction of "wireless fidelity." It promises broadband access speeds at range, though in practice radio interference and walls can lower speeds to a more modest level. TDS is now conducting trials of a Wi-Fi network in the Fox Valley area of northeastern Wis......rvice provider. The technology is called Wi-Fi, a contraction of "wireless fidelity." It promises broadband access speeds at range, though in practice radio interference and walls can lower speeds to a more modest level. The city of Madison has pursued a similar deal and chose AOL-SkyCable to provide Wi-Fi hot...contraction at Biology Definition
...fused with Folk Taxonomy (though it is obviously a contraction of the two words). Those who support scientific taxonomies have recently criticized folksonomies by dubbing them fauxonomies . In recent years taxonomic classification has gained support from molecular systematics , a branch of bioinformatics...Plasmolysis is the contraction of cells within plants due to the loss of water through osmosis . It is the cell membrane peeling off of the cell wall and the vacuole collapsing. Plasmolysis occurs when a plant cell's membrane shrinks away from its cell wall. This phenomen......laments, myosin provides the mechanism for muscle contraction , utilizing energy from ATP . The specific conformational rearrangements throughout the chemo-mechanical transduction process are still not known. The Muscle is composed of single muscle cells (sometimes known as "muscle fibers"). Within the cell...... connective tissue and nervous tissue . Muscle contraction is used to move parts of the body , as well as t... muscles, smooth muscles are use to sustain longer contraction or even near permanent whereas the striated muscles are often used for short, burst activities. Mus...... cell junctions, in cytoplasmic streaming and in contraction of the cell during cytokinesis . In muscle cells...an essential role, along with myosin , in muscle contraction . In the cytosol , actin is predominantly bound to ATP , but can also bind to ADP . An ATP-actin ...
contraction at Biology Dictionary
...e >>> Peristalsis waves of muscle contraction s which push food through the digestive system (peri = around; stalsis = a constriction compression) ... Full article >>> After being processed in the stomach , food is passed to the small intestine via peristalsis . This is where......ments, myosin provides the mechanism for muscle contraction , utilizing energy from ATP . Full article >>> myosin : a protein microfilament that comprises the sarcomere of muscle cells . N natural selection : the concept that random, small variation s take place in living things th...muscle contraction ; exocytosis, e.g., release of neurotransmitter ...sulin ... Full article >>> muscle contraction : a process in which actin and myosin proteins move within a sarcomere . mutation : a random......Z lines. Full article >>> muscle contraction : a process in which actin and myosin proteins move within a sarcomere . mutation : a random change in the gene pool of a population that gives rise to new alleles and is the source of variation in a population . Full article >&......ne example is A, B, AB, and O blood types. muscle contraction : a process in which actin and myosin proteins move within a sarcomere . Full article >>> multiple alleles A condition in which more than two alleles exist for a given trait . multiple fission Asexual reproduction by the ...
contraction at Medicine News
...ure within the artery walls and corresponds to the contraction of the heart's main pumping chambers (ventricles). Higher insulin resistance was related to a higher systolic blood pressure in the the15-year-old boys. Researchers also found that insulin resistance in adolescents was linked to a decrease of "good"...
Cardiac diseases develop early
...ure within the artery walls and corresponds to the contraction of the heart's main pumping chambers (ventricles). Higher insulin resistance was related to a higher systolic blood pressure in the the15-year-old boys. Researchers also found that insulin resistance in adolescents was linked to a decrease of "good"...Depression linked to mortality
... nervous system, which controls heart rate and the contraction of blood vessels. Such changes have been seen in depression and could contribute to the severity of stroke or heart attack. Doctors need to take more care to screen their patients for mental illness....... the findings. The "in-suck" surmise argues that contraction during orgasm draws in the sperm after ejaculation. Arousal has also been shown to reduce acidity inside the vagina. According to this theory an acidic vagina lessens the chances of sperm surviving to the reproductive tract. Dr Cathy added: "The numb......to show how fast the heart muscle is moving during contraction and relaxation. Researchers found patients with th... had lower velocities during relaxation and higher contraction levels, particularly in the left ventricle, the heart's main pumping chamber. The test showed about ...contraction at Medicine Products
...ging. The Titan heats the dermis to cause collagen contraction while preserving the epidermis through continuous cooling. In addition, Titan can stimulate long-term collagen rebuilding that leaves patients with younger looking skin....... construction "breathes" with muscle expansion and contraction for superior comfort during extended wear. Indications: ACL, MCL, LCL, PCL, rotary and combined instabilities Non contact/impact activities Sport model for non and low contact/impact activities Osteoarthritis model with varus or valgus unlo......- and faecal incontinence ELPHA 4 Conti provokes a contraction of the pelvic floor, so that the user can feel which muscles need exercising. In URGE incontinence, ELPHA 4 Conti helps normalise the micturition reflex, controlling the bladder function. The treatment is carried out in conjunction with the use of in...
contraction at Medicine Technology
...ch heart beat.“Systolic” refers to the contraction of the heart muscle. Therapeutic vaccine: a preparation of disease-related molecules(antigens) of foreign or self origin that is capable of activatingthe immune system against such antigens with the goal to modulatedisease processes. This foregoing p...
contraction at Medicine Definition
...hycardia , Ventricular tachycardia ) - Premature contraction ( Atrial , Ventricular ) - Sick sinus syndrome Other heart conditions Heart failure - Cardiomegaly - Ventricular hypertrophy ( Left , Right ) Arteries , arterioles and capillaries Atherosclerosis - Aortic dissection - Ray...... arteries. The circulation of blood depends on the contraction of the heart . When the heart contracts it generates a pulse or energy wave that travels through the circulation. The speed of travel of this pulse wave (pulse wave velocity) is related to the stiffness of the arteries. Other terms that are used to ...
contraction at Medicine Dictionary
...felt at the wrist, neck or elsewhere) matches the contraction s of the heart 's two powerful lower chambers, called the ventricle s. Full article >>> It consists of four chambers - the right and left atriums and the right and left ventricle s. Full article >>> They do no......es that cause vasoconstriction , smooth muscle contraction , and an increased permeability of small blood vessels. Eosinophil s are stimulated by parasites and some bacteria . Full article >>> immunization ; passive immunotherapy; passive incontinence ; passive learning; passive......cept that the fetus is evaluated in response to contraction s of the mother's uterus . Because it is a more complicated test, it is often used after an abnormal NST to confirm the results. Full article >>> Among them are premature rupture of the membrane s (i.e., the mother's water breaks e...... - Overactive Bladder , or a sudden involuntary contraction of the muscle wall of the urniary bladder . F...nence , anal pain related to excessive muscle contraction s and constipation caused by problems with the muscle s in the anus . Full article >>&#...Urge incontinence : A sudden involuntary contraction of the muscular wall of the bladder causing uri...of urge incontinence is inappropriate bladder contraction s. Full article >>> Urge incontinence is an inability to hold the urine once the ...
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(Date:10/10/2008)...ggests poor self-care partly to blame , ,...f Medicare beneficiaries who have diabetes, being ... according to a new study. , Publishing in th...l Medicine , researchers from the University of Wa...erage age of 75.6 years) who had diabetes and were...
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(Date:10/9/2008)... , BOULDER--Wildfires can boost ozone pollution t... study concludes. The research, by scientists at t..., focused on California wildfires in 2007, finding... spike to unhealthy levels across a broad area, in...oring Nevada. , The study was published today in...
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(Date:10/9/2008)... ,, You can,t raise a finger without your ...figured out another reason that usually works so w...tter, to the muscle cell to tell it what to do. To...eceptor. Oddly, the unstable protein rapsyn is res...ly positioned to catch the message. , Medical Co...
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