Loading...



  • makes
  • iii) Is there a neuromodulator that is released in association with voluntary contraction and that makes motoneurones hard to activate? (edu.au)
  • The human stomach contains three layers of muscle in its walls, the outer longitudinal, the middle circular and the inner oblique and visceral smooth muscle cells makes up all three layers along the entire organ. (creative-bioarray.com)
  • study
  • This study aims to investigate the effects of different doses of sleeping pills (Z-drugs) on how easily people wake up when the airway narrows during sleep, the activity of a major muscle located under the tongue (genioglossus) and obstructive sleep apnoea (OSA) severity and symptoms. (edu.au)
  • In vitro study also shows that gastric smooth muscle cells express ET and eNOS and both calcium and sodium may be involved as current carriers in the generation of the plateau potential.HGSMC from Bioarray Research Laboratories are isolated from the human stomach. (creative-bioarray.com)
  • Citation
  • Discussions of troponin often pertain to its functional characteristics[citation needed] and/or to its usefulness as a diagnostic marker[citation needed] or therapeutic target for various heart disorders in particular as a highly specific marker for myocardial infarction or heart muscle cell death. (wikipedia.org)
  • molecular
  • Despite intense studies, several molecular events in the contraction process are poorly understood, including the relationship between force-generation and phosphate-release in the ATP-turnover. (hindawi.com)
  • He is the Douglass M. and Nola Leishman Professor of Biochemistry and of Cardiovascular Disease at Stanford University and works on the molecular basis of muscle contraction. (wikipedia.org)
  • relaxation
  • Stimulation of these receptors activates a cascade of intracellular events that lead to ASMC contraction or relaxation. (omicsonline.org)
  • It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins (called venodilators), large arteries, and smaller arterioles. (wikipedia.org)
  • Vasodilation works to decrease TPR and blood pressure through relaxation of smooth muscle cells in the tunica media layer of large arteries and smaller arterioles. (wikipedia.org)
  • Vasodilation is the result of relaxation in smooth muscle surrounding the blood vessels. (wikipedia.org)
  • actin
  • Myosin's binding to actin causes crossbridge formation, and contraction of the muscle begins. (wikipedia.org)
  • Individual subunits serve different functions: Troponin C binds to calcium ions to produce a conformational change in TnI Troponin T binds to tropomyosin, interlocking them to form a troponin-tropomyosin complex Troponin I binds to actin in thin myofilaments to hold the troponin-tropomyosin complex in place Smooth muscle does not have troponin. (wikipedia.org)
  • biochemistry
  • The software 'Muscle Contraction : Biochemical Aspects of Sportive Practice' was designed to promote the association between the content of a basic undergraduate biochemistry course and the professional activities of physical education students. (appbrain.com)
  • aspects
  • Different aspects of the force-generating transition are reflected in the changes in tension development by muscle cells, myofibrils and single molecules upon changes in temperature, altered phosphate concentration, or length perturbations. (hindawi.com)
  • Shortening
  • The muscle tension decreases as the shortening velocity increases. (wikipedia.org)
  • Because the overall length of the muscle is kept constant, the stretching of the series element can only occur if there is an equal shortening of the contractile element itself. (wikipedia.org)
  • contractile
  • The contractile state of airway smooth muscle (ASM) is modulated by a variety of extracellular agonists acting on specific receptors located in the plasma membrane of ASM cells (ASMCs). (omicsonline.org)
  • The parallel element is responsible for the muscle passive behavior when it is stretched, even when the contractile element is not activated. (wikipedia.org)
  • twitch
  • Large motor units are the ones having fastest and largest twitch contraction, thus producing greatest force. (biology-online.org)
  • The contraction produced can be described as a twitch, summation, or tetanus, depending on the frequency of action potentials. (wikipedia.org)
  • Muscles present viscoelasticity, therefore a viscous damper may be included in the model, when the dynamics of the second-order critically damped twitch is regarded. (wikipedia.org)
  • smooth
  • The vascular smooth muscle cell (VSMC) is a highly specialized cell whose principal function is contraction. (genome.jp)
  • Researchers at UT Southwestern Medical Center at Dallas are the first to use genetically engineered mice containing a fluorescent molecule to examine in real time the chemical reactions that result in smooth-muscle contraction. (innovations-report.com)
  • The result is that the strength of the contraction of smooth-muscle cells remains robust. (innovations-report.com)
  • When the researchers treated smooth muscle cells from mice with the drug carbachol, the amount of calcium available within the cells increased. (innovations-report.com)
  • To track the progress of this intricate chemical dance, researchers genetically engineered a mouse containing a fluorescent molecule, or biosensor that directly monitors the calcium/calmodulin activation of MLCK in real time in smooth-muscle cells. (innovations-report.com)
  • The active effector of airway reactivity is airway smooth muscle, located in the wall of the airways, which contraction induces a reduction in airway lumen and hence an increased resistance to air flow. (omicsonline.org)
  • Some physiologists have suggested that it is the lack of oxygen itself that causes capillary beds to vasodilate by the smooth muscle hypoxia of the vessels in the region. (wikipedia.org)
  • There are three types of muscles-cardiac, skeletal, and smooth. (wikipedia.org)
  • Smooth muscles are used to control the flow of substances within the lumens of hollow organs, and are not consciously controlled. (wikipedia.org)
  • like the smooth muscles, these muscles are not under conscious control. (wikipedia.org)
  • nervous
  • Contraction is controlled by the central nervous system (CNS), which comprises the brain and spinal cord. (biology-online.org)
  • Muscles are innervated, to communicate nervous energy to, by nerves, which conduct electrical currents from the central nervous system and cause the muscles to contract. (wikipedia.org)
  • skeleton
  • It is made up of the bones of the skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together. (wikipedia.org)
  • The human skeleton is composed of both fused and individual bones supported by ligaments, tendons, muscles and cartilage. (wikipedia.org)
  • calcium ion
  • Also answers how calcium ion concentration dictates whether a muscle is contracting or not. (ck12.org)
  • Voltage-gated calcium channels (VGCCs), also known as voltage-dependent calcium channels (VDCCs), are a group of voltage-gated ion channels found in the membrane of excitable cells (e.g., muscle, glial cells, neurons, etc.) with a permeability to the calcium ion Ca2+. (wikipedia.org)
  • The main difference is that the TnC subunit of troponin in skeletal muscle has four calcium ion-binding sites, whereas in cardiac muscle there are only three. (wikipedia.org)
  • stronger
  • Because there is much more calmodulin than MLCK in cells, they expected the increase in calcium to lead to more MLCK activation, and that therefore the contraction would be stronger. (innovations-report.com)
  • joints
  • Central fatigue is characterized by work-related pain in the involved muscles and joints that prevents the continuation of physical exercise or decreased the individual's motivation to continue the exercise. (scribd.com)
  • cell
  • These are connected in series to each other forming ~1 μ m wide myofibrils (Figures 1(a) and 1(b) ) that run the entire length of the muscle cell (muscle fiber) and in parallel over the muscle fiber cross-section. (hindawi.com)
  • When the muscle cell is stimulated to contract by an action potential, calcium channels open in the sarcoplasmic membrane and release calcium into the sarcoplasm. (wikipedia.org)
  • makes
  • iii) Is there a neuromodulator that is released in association with voluntary contraction and that makes motoneurones hard to activate? (edu.au)
  • The human stomach contains three layers of muscle in its walls, the outer longitudinal, the middle circular and the inner oblique and visceral smooth muscle cells makes up all three layers along the entire organ. (creative-bioarray.com)
  • study
  • This study aims to investigate the effects of different doses of sleeping pills (Z-drugs) on how easily people wake up when the airway narrows during sleep, the activity of a major muscle located under the tongue (genioglossus) and obstructive sleep apnoea (OSA) severity and symptoms. (edu.au)
  • In vitro study also shows that gastric smooth muscle cells express ET and eNOS and both calcium and sodium may be involved as current carriers in the generation of the plateau potential.HGSMC from Bioarray Research Laboratories are isolated from the human stomach. (creative-bioarray.com)
  • atrophy
  • Modern medicine's understanding of the quick onset of muscle atrophy is a major factor behind the practice of getting hospitalized patients out of bed and moving about as active as possible as soon as is feasible, despite sutures, wounds, broken bones and pain. (wikipedia.org)
  • Moreover, starvation eventually leads to muscle atrophy. (wikipedia.org)
  • Disuse of the muscles, such as when muscle tissue is immobilized for even a few days of unuse - when the patient has a primary injury such as an immobilized broken bone (set in a cast or immobilized in traction), for example - will also lead rapidly to disuse atrophy. (wikipedia.org)
  • Neurogenic atrophy, which has a similar effect, is muscle atrophy resulting from damage to the nerve which stimulates the muscle, causing a shriveling around otherwise healthy limbs. (wikipedia.org)
  • Muscle atrophy occurs by a change in the normal balance between protein synthesis and protein degradation. (wikipedia.org)
  • The particular protein degradation pathway which seems to be responsible for much of the muscle loss seen in a muscle undergoing atrophy is the ATP-dependent ubiquitin/proteasome pathway. (wikipedia.org)
  • There is a growing research database which suggests that skeletal muscles, particularly postural muscles of the lower limb, undergo atrophy and structural and metabolic alterations during space flight. (wikipedia.org)
  • exertion
  • Animal heat also is due to the union of nitro-aerial particles, breathed in from the air, with the combustible particles in the blood, and is further formed by the combination of these two sets of particles in muscle during violent exertion. (wikipedia.org)
  • This is partially due to the smaller amount of exertion needed to move about, and the fact that muscles are not used to maintain posture. (wikipedia.org)
  • variations
  • Due to limitations in the number of spaceflights and crewmembers in which novel countermeasures can be tested, future development, evaluation and validation of new countermeasures to the effects of skeletal muscle unloading will likely employ variations of these same basic ground-based models. (wikipedia.org)
  • heart
  • hence the heart, being a muscle, ceases to beat when respiration is stopped. (wikipedia.org)
  • In the US, the Eunice Kennedy Shriver National Institute of Child Health and Human Development sponsored a workshop to develop a standardized nomenclature for use in interpreting intrapartum fetal heart rate and uterine contraction patterns. (wikipedia.org)
  • Interpretation of a CTG tracing requires both qualitative and quantitative description of: Uterine activity (contractions) Baseline fetal heart rate (FHR) Baseline FHR variability Presence of accelerations Periodic or episodic decelerations Changes or trends of FHR patterns over time. (wikipedia.org)
  • nerve
  • Some neurologists have started that BFS is caused by irritated nerve endings or irritated muscle linings. (aboutbfs.com)
  • There have been theories that it is a type of Herpes virus that has somehow gotten into the nerve conductors that control muscles, these too are wishy washy so far with no real hard evidence as of yet. (aboutbfs.com)
  • suffer
  • However, if your focus is more on salary alone, there's a higher risk that you'll suffer early signs of burnout, and be forced to change careers later on. (deafstudies.net)
  • it can be a partial or complete wasting away of muscle, and is most commonly experienced when persons suffer temporary disabling circumstances such as being restricted in movement and/or confined to bed as when hospitalized. (wikipedia.org)
  • mass
  • The frequency of contraction differs at each location in the GI tract beginning with 3 per minute in the stomach, then 12 per minute in the duodenum, 9 per minute in the ileum, and a normally low one contraction per 30 minutes in the large intestines that increases 3 to 4 times a day due to a phenomenon called mass movement. (wikipedia.org)
  • results
  • The diagnosis of muscular dystrophy is based on the results of muscle biopsy, increased creatine phosphokinase (CpK3), electromyography, electrocardiography and DNA analysis. (blogspot.com)
  • Unloading of skeletal muscle, both on Earth and during spaceflight, results in remodeling of muscle (atrophic response) as an adaptation to the reduced loads placed upon it. (wikipedia.org)
  • time
  • His contract extended until 2016, Pini missed the start of the season with a muscle injury, taking advantage on his return of Darjuš Lavrinovič's injury (and the departure of his brother Kšyštof) to earn accrued playing time, ending the regular season with 2.6 points and 1.4 rebounds in 9.3 minutes per game. (wikipedia.org)
  • useful
  • While none of these ground-based analogs provides a perfect simulation of human microgravity exposure during spaceflight, each is useful for study of particular aspects of muscle unloading as well as for investigation of sensorimotor alterations. (wikipedia.org)
  • sometimes
  • sometimes called "rump" Dock: the living part of the tail, consisting of the coccygeal vertebrae, muscles and ligaments. (wikipedia.org)
  • think
  • That just stinks Daz, If somebody were to take a quick look at me in certain circumstances they would think there's nothing wrong with me but a lung transplant consultant has seen my lungs and has told me I'm ill enough for transplant. (healthunlocked.com)
  • And, here's the other cool benefit, I actually work faster and think better when I am moving, so I end up getting more done faster. (jonathanfields.com)