functional anatomy of the heart ppt

... viiSurgical approaches to the heart 1Anatomy of the cardiac chambers 13Surgical anatomy of the valves of the heart 51Surgical anatomy of the coronary circulation 90Surgical anatomy of the conduction system ... surface of the heart as the epicardium It is the fibrous sac, therefore, which encloses the mass of the heart By virtue of its own attachments to the diaphragm, it helps support the heart within the ... the apex of the heart is tipped out of the pericardium They are supplied by the obtuse marginal branches of the circumflex coronary artery The greater part of the anterior surface of the ventricular

Ngày tải lên: 20/01/2020, 05:55

... virtue of the deeply wedgedlocation of the subaortic outflow tract, much of the septum delimited on the rightventricular aspect by the septal leaflet ofthe tricuspid valve separates the inlet of theright ... to the left atrial roof(Figure 7.25), entering the chamber between the appendage and the left pulmonary veins Because of the unroofing of the coronary sinus into the cavity of the left atrium, the ... to focus the attention of the surgeon on these pertinent features The essence of the system was that, according to the anatomical features of the margins of the defects as seen from the morphologically

Ngày tải lên: 20/01/2020, 16:32

... the apex of the heart is tipped out of the pericardium They are supplied by the obtuse marginal branches of the circumflex coronary artery The greater part of the anterior surface of the ventricular ... In the normal individual, the heart lies in the mediastinum, with two-thirds of its bulk to the left of the midline (Figure 1.1) The surgeon can approach the heart, and the great vessels, either ... rim of the fossa is produced by the folds of the interatrial groove, which separate the mouth of the superior cavalvein and the entrance of the pulmonaryveins to the left atrium (Figures 2.28) Theposteroinferior

Ngày tải lên: 21/01/2020, 00:44

... vein draining to the roof of the left atrium, in the absence of the walls that usually separate the course of the vein through the left atrioventricular groove to the mouth of the coronary sinus. ... virtue of the deeply wedgedlocation of the subaortic outflow tract, much of the septum delimited on the rightventricular aspect by the septal leaflet ofthe tricuspid valve separates the inlet of theright ... Ventriculoarterial Fig 6.1 The cartoon shows the three segments of the heart These are the atriums, the ventricular mass, and the arterial trunks The segments are joined together at the atrioventricular

Ngày tải lên: 22/01/2020, 02:45

... Anatomy No Atherosclerosis of the Coronary Arteries Atherosclerosis of the Coronary Atherosclerosis of the Coronary Arteries (OR; CI) P Trang 129 3.2.3 Pathological characteristics of the ... "Pathological Anatomy of the Heart and SCN5A gene mutations in young individuals with sudden cardiac death " with the following two objectives: Objective 1: To describe the cardiac pathological anatomy ... yellowish, soft Microscopic: Lesion located in the intima with two main components: fibrous cap and necrotic core (atheroma) 1.2.1.3 Atherosclerotic progression The formation of an atherosclerotic

Ngày tải lên: 01/07/2025, 12:36

... instantaneous atrial volume) The pressure of the point at the bottom right corner of the loop is the pressure in the ventricle at the end of the cardiac cycle and is called the end-diastolic pressure ... interaction between the ongoing contraction process of the cardiac muscles and the properties of the arterial system and is beyond the scope of this lecture As the contraction process of the cardiac ... identified as the pressure of the left upper corner of the loop; the sig- end-nificance of this pressure will be discussed in detail below Moving to the bottom of the loop, we can reason that the pressure

Ngày tải lên: 22/02/2014, 09:20

... challenging than for the other oligosaccha-rides, due to the poor dispersion of signals in the 3.2–4.1 p.p.m region of the spectra Although the 1H signals of the anomeric protons of the 2951lgt5⁄ 4D ... to obtain the 13C shift of the C1 and C2 resonances of Kdo Examination of the 400 ms NOESY spectrum confirmed each of the gly-cosidic linkages for the 2951lgt1⁄ 4D oligosaccharide and the terminal ... elucidate the 13C shift of the C1 and C2 resonance of Kdo For the highly branched, central a-d-Glc residue C, the locations of the H3⁄ C3 and H5 ⁄ C5 correlations were conspicuous in the 1H-13C-HSQC

Ngày tải lên: 30/03/2014, 08:20

... [15] It is the differential reg-ulation of these pathways and the potential for cross talk between the pathways that is important in mediating the effects of these hormones In addition to the gonadotropins, ... per replicate Experiment 2 The aim was to test the hypothesis that pharmacological inhibition of the activation of the Akt and Erk pathways would inhibit the actions of FSH and IGF on bovine gran-ulosa ... subordinate follicles [21,22] The objectives of the studies reported here were to examine the interactions of the gonadotrophins and IGF with the Akt and Erk signal-ling pathways in theca and granulosa

Ngày tải lên: 20/06/2014, 07:20

... Legend has it the ancient Lemurian city of ‘Telos lies beneath the ereat northern Californian volcano of Mount Shasta Lemurians live on, so the storytellers say We’ve seen them, they say, tall, ... only to reappear, to nourish in the morrow And what shall we say of the mountain dwellers? ‘Those who reap the essence of the mountain, who practice the ancient art of vampirism, transferring and ... heard, their destinies forever lay to waste by the masters of vampirism Only the story-tellers, old men and women, a foot set 1n the grave, dare discharge the secrets they hold, for death is the

Ngày tải lên: 07/11/2012, 09:09

... combination ofboth The adjustments of the amounts of that insuranceshould take into account adjustments made in theframework of Directive 2002/92/EC of theEuropean Parliament and of the Council of 9 ... by the Commission with the assistance of a committee (65) The Resolution adopted by the Stockholm European Council of 23 March 2001 endorsed the final report of the Committee of Wise Men and the ... to the European Parliament and theCouncil on the application of the provisions concerningprofessional indemnity insurance, the scope of the trans-parency rules and the possible authorisation of

Ngày tải lên: 17/02/2014, 21:20

... The water in the top of a wave rests upon the water in the bottom of the wave But when thebottom of the wave strikes the land, it stops, while the top goes on It no longer has the bottom of the ... oil, the life-boat and the launch, all our friends, all the friends of ourfriends and those who claimed to be their friends, to say nothing of some of the friends of the friends of thefriends of ... where the top of the mountainshould have been, was a deeper deep, the great crater, the House of the Sun Twenty-three miles aroundstretched the dizzy wells of the crater We stood on the edge of the

Ngày tải lên: 18/02/2014, 06:20

... in the main chain of the subunit, or in the interaction of subunits within the trimer that linked the conformation of residues 120–125 to the position of the active site lip and closure of the ... in the dTTP complex to accommodate the 5-methyl group of the thymine moiety As a result, the Ala124 carbonyl was moved from the 4-oxo⁄ 4-amino group of the bound nucleotide and the side chain of ... observa-tion is that due to the proximity of residues 120–125 from each subunit in the centre of the trimer, the side chains of Val122 of one subunit and Thr123 of the neighbouring subunit are

Ngày tải lên: 18/02/2014, 16:20

... analyses of the predicted amino acid sequence showed that the C-terminal half of the RepA of the pIT3 plasmid is sequence-similar to the helicases of the phage-encoded superfamily III pro-teins The ... [14] The side-chains of the first pair of residues, i.e K135 and R148, matched almost exactly; those of the second pair were in close proximity The R148 residue of the Pfu-prim-ase is part of a ... on the design of the Rep245 and Rep516 mutants and comparison of their polymerase activities, Trang 10we were able to account for the promiscuous nature ofthe synthesis functions performed by the

Ngày tải lên: 18/02/2014, 18:20

... lesser of 10% of the value of the gift and $75, then the value of the advantage is considered to be zero For example, if the price to attend the benefit dinner is $200 and the value of the dinner ... only if the bid amount exceeds the value of the item by 20% The amount of the receipt is equal to the difference between the bid amount and the value of the item Can a charity issue an official ... the value of the dinner is $40 and the value of a gift bag received is $45, then the total advantage is $85 or 85% of the ticket price and therefore cannot be receipted However if the value of

Ngày tải lên: 19/02/2014, 03:20

... likely that the next car they buy will be all-electric Much of the interest is based in large part on the perceived potential of these vehicles to decrease the “environmental footprint” of driving ... range of the vehicle Furthermore, in accounting for the impact of PHEVs and EVs on the environment, one must also consider that in electric mode, the cars themselves have no emissions of greenhouses ... with much of the focus on greenhouse gas emissions The transportation footprint is significant Approximately one-third of U.S emissions of carbon dioxide (CO2), the most common of the greenhouse

Ngày tải lên: 19/02/2014, 04:20

... three brothers of whom poor SirCharles was the elder The second brother, who died young, is the father of this lad Henry The third, Rodger, was the black sheep of the family He came of the old ... and not on the grass?" "No marks could show on the grass." "Were they on the same side of the path as the moor-gate?" "Yes; they were on the edge of the path on the same ... across the moor One, it issaid, died that very night of what he had seen, and the other twain werebut broken men for the rest of their days "Such is the tale, my sons, of the coming of the hound

Ngày tải lên: 19/02/2014, 09:20

... round the form of the figure against the skyline of the Ridge The light of the cow-boy camp blinked through the lilac mist of the Valley A veil impalpable as dreamshovered over the River The boom ... touch them they are off the Range of the Forest You know about the stolen coal for the Smelter Ring, thousands ofacres of it; and the stolen timber limits for the Lumber Ring, millions of acres of ... described The triumph of suchfactors in national life means the wresting of self-government from the people into the hands of the few, arepetition of the struggle between the Robber Barons of the Middle

Ngày tải lên: 21/02/2014, 11:20

... the face of temperature acclimation. Therefore, we think that the described mechanism maintains either (a) the kinetic⁄ thermody- namic properties of this metabolic node by ‘dilution’ of the major ... All the observed dynamic changes in enzyme properties under acclimation should be considered in the context of the relevance for the performance of metabolic networks, because the theory of metabolic control ... Assemblage of the clones yield the full-length cDNA sequences of at least two distinct LDH-A isoforms, which differ substantially in the coding sequence and length of the 3¢-UTR. Therefore, iso- form-specific...

Ngày tải lên: 19/02/2014, 02:20

... connected to the DEC1 E-boxes (Fig. 2), while deletion of the Orange domain ( DEC1DOr- ange) had no effect on the suppressive activity, indicating the importance of t he bHLH region of DEC1. The HXXXXXXXR ... conclude that the basic region, p artic- ularly the conserved A rg65, but not His57, is essential for the suppressive activity of DEC1. Determination of the binding domain of DEC1 to BMAL1 The interaction ... that the C-terminal region, including the PAS-B domain of BMAL1, is required for the binding to DEC1, Fig. 4. Identification of the domain of D EC1 that interacts with BMAL 1. Interactions of various...

Ngày tải lên: 19/02/2014, 16:20

... Binding of CCE1 results in the complete unpairing of the four base-pairs in the centre of the junctions with a lesser disruption of the next base-pairs [19], which is reminiscent of the structure of ... 4 at the junction crossover – and the unpairing of four base-pairs in the centre of the junctions [19]. Detailed understanding of the functional role of these interactions would require the crystal ... manipulating the global conformation of the junction, then the deletion of this motif would have an even more serious effect on Ydc2 binding in the presence of divalent cations. We tested the effect of...

Ngày tải lên: 20/02/2014, 11:20