The cardiac cycle is the sequence of events that occurs when theheartbeats. As the heart beats, it circulates blood throughpulmonary and systemic circuitsof the body. There are two phases of the cardiac cycle: The diastole phase and the systole phase. In the diastole phase, heartventriclesrel...
Luisada AA, MacCanon DM (1972) The phases of the cardiac cycle. Am Heart J 83:705–711Luisada AA, MacCanon DM (1972) The phases of the cardiac cycle. Am Heart J 83:705–711. : 10.1016/0002-8703(72)90412-7Luisada A, MacCanon D (1972) The phases of the cardiac cycle...
Explain the cardiac conduction cycle as shown on an EKG. Explain the cardiac conduction cycle. What phase of the cardiac cycle is the heart in when all four valves of the heart are closed and ventricular pressure is building, but it is not yet great enough to open a valve? a. ...
The Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway was discovered more than a quarter-century ago. As a fulcrum of many vital cellular processes, the JAK/STAT pathway constitutes a rapid membrane-to-nucleus sig
According to molecular studies, NBCs in the proximal tubules are different from cardiac NBCs [23], possessing opposite functional modes of cotransport (that is, the efflux of kidney cells and the influx of heart cells, respectively). This might be due to two distinct isoforms in these tissues....
The cycle number at which any particular sample crossed that threshold (Ct) was then used to determine fold difference, whereas the geometric mean of the two control genes served as a reference for normalization. Fold difference was calculated as 2− ΔΔCt, where ΔCt = [Ct(target) −...
Diseases caused by trypanosomatids include leishmaniasis (Leishmania spp.), Chagas disease (Trypanosoma cruzi), and sleeping sickness (Trypanosoma brucei) that affect millions of people, especially low-income populations, being classified as neglected tr
As a consequence, at voltages between current activation (around −45 mV, 20 to 25 mM K+) and complete current inactivation (around 0 mV, 124 mM K+), two populations of L-type Ca2+ channels are expected to contribute to Ca2+ influx and contraction. One population of ...
the adaptation that leads to these effects must be triggered in an early phase of the cardiac cycle. The known regulatory mechanisms that might explain these findings are reduced SDA or increased coronary perfusion pressure (Gregg phenomenon). The interrelation between the velocity of ejection and le...
These chromatographic techniques are still used to purify/isolate the bioactive compounds due to various advantages including convenience, and availability of the variety of stationary phases for separation of active phytochemicals [75,76]. Mainly, TLC has been used to the fraction of different ...