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Q. Explain about Gastric ulcers?
Gastric ulcers occur in the lesser curvature of the antrum of stomach. A gastric ulcer appears to be caused by reflux of bile and factors that disrupt the mucosa barrier permitting the hydrogen ions to diffuse into the mucosal tissue where they cause damage. The damage causes cell destruction and subsequent ulceration (due to defect in pyloric sphincter). NSAID dramatically increase the risk of ulcers and is related to the systemic inhibition of prostaglandin production. Thus results in impaired defense against acidity by the gastric mucosa. Another pathogenetic factor is H. Pylori infection and the resulting impaired mucosal defence.
The permissible use of the technique amniocentesis is for: 1. detecting sex of the unborn foetus 2. artificial insemination 3. transfer of embryo into the uterus of the su
What is the most excellent identification hypothesis for a plant tissue seen under the microscope having most cells undergoing cell division? The most excellent hypothesis is t
Q. Bacteria - type of microorganisms? Many of us know bacteria only as "germs," invisible to naked eyes that can invade our bodies and make us sick. Few know that many bacteria
You are setting up a PCR reaction. a) The total volume of your reaction is 50 uL. Your stock primer solutions are 25 mM each. You want a final concentration of primer of 1 mM in yo
economic importance of tubularia
Mass Dispersal - Population Dispersal A population is inherently dynamic in nature since individuals are always leaving or entering the populations. But such changes normally
A calico female has a litter of kitten which includes several calico females a yellow male a couple of yellow females and two black males what is the likely color of the father and
By prodigality of nature it is meant that organisms have an enormous potential to reproduce. A carp or salmon is known to lay over a million eggs. A frog may lay Bs many as 12,000
Embryonic Induction and Cell Determination The cell determination or fate of embryonic cells is regulated through factors which may reside within the embryonic cells or by the
Explain Basic Stains (Cationic) - Types of Stains? These are chloride or sulfate salts of coloured bases which on ionization give positively charged chromogen. As such, these h
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