It may be difficult to make a definitive diagnosis based on the biopsy alone. In these situations, a classification of "not otherwise specified" (NOS) is assigned.
NOS is a classification used in pathology to describe a neoplasm that has been removed or destroyed and for which a tissue biopsy has been performed, but no specific diagnosis can be made. This can occur when the neoplasm is too small or too poorly differentiated to make a definitive diagnosis. In such cases, additional testing or further examination may be necessary to determine the nature and histology of the growth.
The use of NOS as a classification can be problematic as it may not provide enough information to guide treatment decisions or to predict the behavior of the neoplasm. However, it is important to note that in some cases, the use of NOS is a temporary classification, as further testing or examination may provide more information to make a definitive diagnosis.
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is it possible for a mother to have fraternal twins by two different fathers
Answer:
Yes, it is possible. There are 20 similar cases registered in the world. A woman becoming pregnant with twins from different fathers is an extremely rare pregnancy. This condition is called Heteroparental Superfecundation in medicine.
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what natural protections does your brain have against damage caused by impacts?
The brain has several natural protections against damage caused by impacts. The skull is the most obvious protection, as it is a hard, bony structure that surrounds the brain and helps to absorb and deflect the force of an impact.
The cerebrospinal fluid that surrounds the brain also helps to cushion it from impacts, as it acts as a shock absorber. Additionally, the brain is surrounded by a number of membranes, such as the dura mater, which help to protect it from damage.
Finally, the brain has a number of specialized cells, such as glial cells, which help to repair any damage that may occur. All of these natural protections help to reduce the risk of serious injury or death from impacts to the head.
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Which of the following is abundant in plant cells, but greatly REDUCED in animal cells? A. lysosome B. nucleus C. vacuole
Answer:
C). Vacuoles
Explanation:
Vacuoles are organelles found both in plant and animal cells. However, these organelles are greatly reduced in animal cells . Vacuoles are organelles that function to store substances
Do cells survive being infected by a virus?
Answer NO
Cells that are infected with a cytopathic virus that normally causes cell lysis (blue) can sometimes intrinsically eliminate the virus and become a “survivor” cell (orange). These survivor cells have been shown to be important for contributing to inflammation and altering the response to secondary infection.
Explanation:
Answer:
Infected cells with a cytopathic virus (blue) that ordinarily induces cell lysis may occasionally intrinsically destroy the virus and become a "survivor" cell (orange). These survival cells have been demonstrated to play a key role in inflammation and the response to subsequent infection.
Explanation: