• floral organs
  • We present a comparative flower ontogenetic study in five species of the genus Eucryphia with the aim of testing whether differences in the organ number observed can be explained by changes in the meristematic size of floral meristem and floral organs. (springer.com)
  • human organs
  • The Advanced Tissue-engineered Human Ectypal Network Analyzer ( ATHENA ) project has created interconnected, surrogate human organs, researchers said in a new video. (fcw.com)
  • A video posted by the lab on June 21 shows how the program is nearing the full integration of four artificial human organs -- liver, heart, lung and kidney -- that are each about the size of a smartphone screen. (fcw.com)
  • By developing this 'homo minutus,' we are stepping beyond the need for animal or Petri dish testing: There are huge benefits in developing drug and toxicity analysis systems that can mimic the response of actual human organs," Rashi Iyer, a senior scientist at Los Alamos, said in a statement. (fcw.com)
  • Even more studies followed Dr. Joseph Murray's first successful kidney transplantation in 1954 and scientists, facing the ethical questions of organ donation for the first time, accelerated their effort in looking for alternatives to human organs. (wikipedia.org)
  • Human organs have been transplanted into animals as a powerful research technique for studying human biology without harming human patients. (wikipedia.org)
  • This technique has also been proposed as an alternative source of human organs for future transplantation into human patients. (wikipedia.org)
  • 18th
  • Midday Music for Organ on Wednesday, October 18th, 2017 presents Michael Plagerman, our newest member of the doctoral program in performance practice. (cornell.edu)
  • mechanisms
  • But despite the importance of tissue remodeling, we do not yet understand the mechanisms that coordinate individual cell regulatory pathways into tissue- and organ-level organization. (biologists.org)
  • For regenerative medicine, which aims to replace lost or damaged organs and limbs, elucidating these mechanisms is crucial because the production of new cells is not sufficient - new tissues must be the correct size and shape to restore form and function. (biologists.org)
  • Understanding the highly regulative, flexible patterning programs of vertebrate development and the reparative pathways of regeneration requires that the molecular mechanisms underlying size and shape controls be analyzed in tractable model systems such as planaria. (biologists.org)
  • This means that things like rapid changes in the death rate of organ cells, or random fluctuations in how many progenitors are dividing at any moment can be too fast to be corrected properly by the renewal control mechanisms, the organ growth will be too fast or too slow, and the organ size can continue to vary rather than becoming fixed at the right size. (biomedcentral.com)
  • In many cases the simple scheme will work well to produce organs of the correct size, but evolution has to plan for mechanisms for growth control that will work under all circumstances. (biomedcentral.com)
  • Changes in registration through use of drawknobs, stop tabs, or other mechanisms to control organ stops allow such instruments to achieve an aggregate range well in excess of pianos and other keyboard instruments even with manuals of shorter pitch range and smaller size. (wikipedia.org)
  • harpsichord
  • The Department of Music, Cornell Cinema, and the Westfield Center for Historical Keyboard Studies present a live screening of Asta Nielsen's silent movie Hamlet accompanied by live performance of the musical score by Dennis James (organ), Michael Tsalka (harpsichord and piano), and Marija Bosnar (mezzo soprano). (cornell.edu)
  • A manual is a musical keyboard designed to be played with the hands, on an instrument such as a pipe organ, harpsichord, clavichord, electronic organ, or synthesizer. (wikipedia.org)
  • Pipe Organ
  • The exception is some modern electronic instruments and relatively contemporary upgrades to theatre pipe organ consoles, which may have a knee lever which sustains the previous chords or notes. (wikipedia.org)
  • apoptosis
  • Our data show that this disproportionality results from a lack of the apoptosis required to adjust head and organ size and placement, highlighting apoptotic remodeling as the link between bioelectric signaling and the establishment of organ size during regeneration. (biologists.org)
  • nutrients
  • The human heart pumps blood at a rate of 60 to 100 beats per minute through the 60,000 miles of blood vessels packed in your body, delivering oxygen and nutrients to your organs and cells. (giantmicrobes.com)
  • A male organ health crème (health professionals recommend Man1 Man Oil) with natural moisturizers and nutrients that support circulation and nerve function can do the trick. (blogspot.com)
  • Phenotypic plasticity in plants includes the allocation of more resources to the roots in soils that contain low concentrations of nutrients and the alteration of leaf shape, size, and thickness. (wikipedia.org)
  • organogenesis
  • Flower organogenesis in Eucryphia also involves relevant meristem expansion while the organs are initiated, which results in a particular androecium patterning with a chaotic stamen arrangement. (springer.com)
  • species
  • Sizes of meristems varied significantly among species within each developmental stage as revealed by ANOVA analyses. (springer.com)
  • Meristem expansion also appears to be slower but more extensive in species with larger initial meristematic size, suggesting that flower phenotype can be determined in ontogeny by this heterochronic interplay of space and time. (springer.com)
  • Bull-Hereñu K, Ronse de Craene L, Pérez F (2016) Flower meristematic size correlates with heterostylous morphs in two Chilean Oxalis (Oxalidaceae) species. (springer.com)
  • Species native to low-oxygen waters are more likely to have larger and more complex labyrinth organs than species found in fast-flowing, oxygen-rich waters. (wikipedia.org)
  • Development
  • Recent research strongly emphasizes that besides cell-cell communication, biophysical principals govern organ development. (uzh.ch)
  • Here we review several models and experimental systems which are contributing to our understanding of the roles mechanical forces play during organ development. (uzh.ch)
  • One of the central problems in biology is how the size of organs is controlled during development and regeneration. (biomedcentral.com)
  • Cell ablation and tissue complementation methods are used to perturb precursor cell number during the earliest stages of pancreatic and liver development, which is found to have profound effects on the final size of the pancreas. (readabstracts.com)
  • These two different processes occur successively during organ development, with a period of overlap. (beds.ac.uk)
  • after this and several subsequent unsuccessful attempts to use primates as organ donors and the development of a working cadaver organ procuring program, interest in xenotransplantation for kidney failure dissipated. (wikipedia.org)
  • The development of the organ is gradual and most labyrinth fish breathe entirely with their gills and develop the labyrinth organs when they grow older. (wikipedia.org)
  • A dysplasia is a disorder at the organ level that is due to problems with tissue development. (wikipedia.org)
  • processes
  • Furthermore, mechanical cues do not only regulate processes at a cellular level but also provide constant feedback about size and shape on a tissue scale. (uzh.ch)
  • partly because of its multifactorial nature in which many physiological processes, such as photosynthesis, water, mineral uptake and stress tolerance, determine the resources available to produce new cells, tissues and organs. (ugent.be)
  • developmental
  • One of the fundamental questions in developmental biology is what determines the final size and shape of an organ. (uzh.ch)
  • A fundamental question in developmental biology is how an organ knows to stop growing after reaching a particular size. (wikipedia.org)
  • enlargement
  • Men may be tempted to invest in a male organ enlargement product, but this method is best avoided. (blogspot.com)
  • Male organ enlargement can be approached through oral medication, oils, exercises & physical contraptions. (medicineayurved.com)
  • Male organ enlargement suction pumps are very popular & highly affordable, but they have a occasion of causing real injuries. (medicineayurved.com)
  • However, there are natural Male organ enlargement capsules which are completely safe & natural. (medicineayurved.com)
  • significant
  • Significant regressions between organ number and corresponding meristem size were consistent with the premise that a larger meristem size prior to organ initiation could be determining for a higher organ number. (springer.com)
  • Human xenotransplantation offers a potential treatment for end-stage organ failure, a significant health problem in parts of the industrialized world. (wikipedia.org)
  • cells
  • Experimental data, discussed in the paper, support the idea that the something else is a signal organ cells send to the progenitors. (biomedcentral.com)
  • Ultimately, the rate at which the cells in the organ happen to die will be just matched by the rate at which progenitors produce new organ cells, and the organ size will remain fixed. (biomedcentral.com)
  • If vitrification can be perfected, it could allow for long-term storage of xenogenic cells, tissues and organs so that they would be more readily available for transplant. (wikipedia.org)
  • oxygen
  • This organ allows labyrinth fish to take in oxygen directly from the air, instead of taking it from the water in which they reside through use of gills. (wikipedia.org)
  • The labyrinth organ helps the inhaled oxygen to be absorbed into the bloodstream. (wikipedia.org)
  • The characteristics of the fish habitats are indicators of the size of the labyrinth organ, as the organ size is negatively correlated with the level of oxygen in the waters. (wikipedia.org)
  • occur
  • Predation on nestlings, on the other hand, does not seem to occur more often than in similar-sized Passeroidea. (wikipedia.org)
  • available
  • They have re-emerged because of the lack of organs available and the constant battle to keep immune systems from rejecting allotransplants. (wikipedia.org)
  • cell
  • Currently the question is far from being resolved because of the complexity of and interconnection between cell division and cell expansion, two different events necessary to form a mature organ. (ugent.be)
  • enables
  • For example, Hammond organs often have an expression pedal, which enables the performer to increase or decrease the volume of a note, chord, or passage. (wikipedia.org)
  • The Anabantoidei are a suborder of anabantiform ray-finned freshwater fish distinguished by their possession of a lung-like labyrinth organ, which enables them to breathe air. (wikipedia.org)
  • Technique
  • Having an organ at home will be great for learning fingering and pedaling technique. (wordpress.com)
  • All of these variables mean that both the technique of organ playing and the resulting music are quite different from those of the piano. (wikipedia.org)
  • plants
  • A plant's root system may be limited by the presence of competing root systems from neighbouring plants, by site conditions such as compacted soils or high water tables, or by container size (if growing in a container). (wikipedia.org)
  • results
  • For men who have tried almost every product medical science has thrown their way to enlarge their Male organ, but still haven't been able to see any positive results, it is simple to lose hope. (medicineayurved.com)
  • often
  • Organ keys often require less force to depress than piano keys. (wikipedia.org)
  • Still, congenital conditions are often classified in a structural basis, organized when possible by primary organ system affected. (wikipedia.org)
  • increase
  • While the piano note, then, can only decay, the organ note may increase in volume or undergo other dynamic changes. (wikipedia.org)
  • animal
  • How organs grow to be the right size for the animal is one of the central mysteries of biology. (biomedcentral.com)
  • The animal organ, probably from a pig or baboon could be genetically altered with human genes to trick a patient's immune system into accepting it as a part of its own body. (wikipedia.org)
  • heart
  • Your heart is only about the size of your fist and 10 ounces, but it accomplishes quite a lot in your lifetime. (giantmicrobes.com)
  • Get your heart pounding with our incredible plush Heart organ. (giantmicrobes.com)
  • Weighing in at about 10 ounces, an adult heart is about the size of your fist and consists of four chambers: the right atrium, right ventricle, left atrium, and left ventricle. (giantmicrobes.com)