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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.
classification?
Poultry birds are affected with many types of ailments; broadly these are classified on the basis of etiology as non-infectious and infectious conditions. Non-infectious diseases a
Hi,I am a graduating student from my course BS in Biology major in Zoology. I was wondering if you guys have any great idea of a good thesis title?
- Nuclear membrane disorganize at the beginning of this phase. - Spindle fibers originate and the kinetochore fibers attach to the kinetochore of homologous chromosomes from eac
Determine the type of bandage The most common type of bandage is the gauze bandage, a simple woven strip of material which comes in different widths and lengths.
what are phylums included in aceolomates?
The nucleus has an inner and an outer membrane and is perforated through 3000-4000 nuclear pores. Each pore having of a nuclear pore complex of more than 100 several proteins organ
Explain Heat Preservation - Method of Food Preservation? The process of heating was used centuries before its action was understood. Food is heated up or cooked. Heat kills mi
What are the uses of construction of a retaining wall? The retaining wall is constructed whenever space requirement do not allow the natural slope to be formed for an excavatio
What are multiple alleles? Is there dominance in multiple alleles? Multiple alleles is the phenomenon in which the similar gene has more than two dissimilar alleles (in normal
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