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Thymus region where lymphocytes are widely scattered?
The cortex of the thymus is the region where lymphocytes are widely scattered. This is where T lymphocytes mature and differentiate with the help of specialized thymic epithelial cells. The cortex is essential for the development of a diverse and self-tolerant T cell population.
What has the author Kjell Elgjo written?
Kjell Elgjo has written: 'Epidermal cell population kinetics in chemically induced hyperplasia' -- subject(s): Carcinogenesis, Chemicals, Epidermis, Physiological effect
Can whooping cough cause high lymphocyte?
lymphocytes are generally elevated in viral infections and leukemias and lymphomas. Most bacterial infections cause a high white blood cell count but the particular population of cells that is relatively elevated is the granulocyte, not the lymphocyte. Whooping cough is a bacterial infection and thus we would expect elevated granulocytes, not lymphocytes. With that being said, whooping cough is a strange type of bacteria and actually DOES cause high lymphocytes. This correlation is so strong that the level of lymphocytes actually correlates to the severity of the disease.
A decrease in which population of lymphocytes would impair all aspects of an immune response?
A decrease in the population of T lymphocytes (T cells) would impair all aspects of an immune response. T cells play a critical role in coordinating and regulating the immune response, including activating other immune cells such as B cells and macrophages, and directly killing infected cells.
What does it mean to say that the sample variance provides an unbiased estimate of the population variance?
It means you can take a measure of the variance of the sample and expect that result to be consistent for the entire population, and the sample is a valid representation for/of the population and does not influence that measure of the population.
When an antigen stimulates b or t cells these b or t cells produce identical lymphocytes called what?
When an antigen stimulates B or T cells, these cells can produce identical lymphocytes through a process called clonal expansion. This results in a large population of identical cells that are all capable of recognizing and responding to the specific antigen that initiated the immune response.
What is immunologic memory produced by vaccination?
Immunological memory is the ability of immune system to respond more rapidly and more effectively to pathogens that have been encountered previously and reflects the preexistence of a clonally expanded population of antigen specific lymphocytes.
What is the percentage of LGBT population in China?
Most scientists believe that the worlds population is between 4% and 10% gay or lesbian, and another 25% or so is bisexual.
What is a statement about the members of a population that live long enough to reproduce is consistent with the theory of evolution by natural science?
they are the ones that are best adapted to survive in the environmrnt
This population pyramid might be considered?
Unusual because populations normally decrease with age
Why is the pray population larger then the predator population?
The prey population is typically larger than the predator population to ensure the survival of the species. A larger prey population helps to support the predator population by providing a consistent food source. Additionally, predators have natural controls such as competition, disease, and limited resources that help regulate their populations.
What country has a lot of lesbian and gay people?
The percentage of the population that is gay is pretty consistent across the board. Countries typically have a gay population that is between 3% and 8%.Therefore, countries with larger populations will have larger numbers of gay people, such as China and India.
