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Q. Illustrate Pathology?
Following rheumatic fever, over next few years to decades, the typical funnel shaped mitral valve assumes a fish mouth appearance. During rheumatic fever endocardium of the leaflets gets inflamed, edematous and develops pin head vegetations at the tips or along the line of closure. These heal with fibrosis resulting in thickening of the leaflets with limited mobility. Some times there may be calcific deposits over the leaflets. The commissures get fused and in diastole the larger anterior leaflet pulls the posterior leaflet anteriorly. This decreases the valve opening in diastole. Thickened and fused chordae further limit the opening of the valve. Subvalvular apparatus, i.e., the chordae may fuse to such an extent that a secondary orifice may develop below the mitral valve limiting the diastolic blood flow. The abnormal valvular flows due to initial valvulitis may further worsen the thickening and fibrosis of the leaflets progressively. The progression may be rapid in some patients due to repeated attacks of rheumatic carditis, genetic or hormonal factors or due to increased hemodynamic load as seen in manual laborers.
The citric acid cycle also called as the TCA cycle (tricarboxylic acid cycle) and the Krebs cycle or the Szent-Györgyi-Krebs cycle is a series of chemical reactions used by all aer
write the names of these animals? 1.amoeba 2.sponge 3.hydra 4.liverfluck 5.Iscariot 6.leech 7.insects 8.oyster 9.starfish 10.frog
please i want detailed explanation on the mechanism of enzyme catalysis
CHARACTERICTICS OF PLATYHELMENTUS
State about Electric Field Lines Electric Field Lines (lines of force) - show direction of force on a positive test charge from a distribution of charges. The electric field
Which of the following groups is NOT ionizable? Select one: a. Guanidinium b. Imidazole c. Phosphoryl d. Amine e. Aldehyde
what is the basic structure of a virus?
Q. Why are pteridophytes better adapted to dry land than bryophytes? Were pteridophytes always less abundant than phanerogamic plants? Although pteridophytes and bryophyt
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The bonding geometry of C,O,N is determined by- Select one: a. The number of electrons in their outer energy level b. SP3 hybridization of orbitals in the valence shell
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