Dacryoadenitis is an inflammation of the lacrimal gland that can be a bacterial, viral, or fungal infection.
Lacrimal gland is the gland responsible for lubricating eye to moisten and lubricate it. This gland is present between eyes and eye brows. The secretion of lacrimal gland is commonly known as tears.
The inflammation in lacrimal gland can be acute or chronic. The infection by bacteria or virus is the cause of acute inflammation. Chronic inflammation results for disorders like thyroid or pseudotumour. Common example of virus infecting lacrimal gland is Epstein-Barr virus and bacteria is <em>Staphylococcus</em>.
The symptoms of dacryoadenitis include redness in eyes, pain in movements, double vision, droopy upper eyelid etc. Treatment includes intake of antibiotics and abscess drainage.
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A, because every sex cell is genetically different from on another
Answer:
C A single genotype produces a range of phenotypes that differ in the degree or magnitude of expression of the particular trait specified by the gene.
Explanation:
Variable expressivity refers to the range of signs and symptoms that can occur in different people with the same genetic condition.
For example, the features of Marfan syndrome vary widely— some people have only mild symptoms (such as being tall and thin with long, slender fingers), while others also experience life-threatening complications involving the heart and blood vessels. Although the features are highly variable, most people with this disorder have a mutation in the same gene (FBN1).
Answer:
The correct answer would be - "bacterial populations evolve in response to the selection pressure imposed by antibiotics".
Explanation:
The given information provided in the question about the bacterial infection supports the hypothesis that the bacterial population shows the evolution in response to the selection pressure caused by the antibiotics due to the fact that bacteria increased resistance gradually with time. This resistance towards antibiotics increased the percentage of bacterially infected children in the late 1980s and early 1990s.
In this case, the population of bacteria having resistance genes is selected to evolved selected to increase their offsprings.
