Podcast
Questions and Answers
At what age does the thymus reach its maximum weight?
At what age does the thymus reach its maximum weight?
- Puberty (correct)
- Infancy
- Young adulthood
- Adolescence
What happens to the cells within the thymus after it reaches its maximum size?
What happens to the cells within the thymus after it reaches its maximum size?
- They begin to regress (correct)
- They multiply rapidly
- They stay the same size
- They grow larger
What replaces much of the thymic tissue after it regresses?
What replaces much of the thymic tissue after it regresses?
- Blood cells
- Adipose connective tissue (correct)
- Muscle tissue
- Nervous tissue
Apart from lymphoid cells, what other type of tissue is found in the thymus?
Apart from lymphoid cells, what other type of tissue is found in the thymus?
Which hormone is NOT produced and secreted by the thymus?
Which hormone is NOT produced and secreted by the thymus?
In a child, how many thymic lobes are present and how are they surrounded?
In a child, how many thymic lobes are present and how are they surrounded?
Where is red bone marrow located in adults?
Where is red bone marrow located in adults?
What is the primary function of red bone marrow?
What is the primary function of red bone marrow?
Which of the following is NOT considered a formed element produced in red bone marrow?
Which of the following is NOT considered a formed element produced in red bone marrow?
Where must T-lymphocytes migrate to complete their maturation?
Where must T-lymphocytes migrate to complete their maturation?
What are the two major types of lymphocytes mentioned in the text?
What are the two major types of lymphocytes mentioned in the text?
What type of cells must migrate to the thymus after being formed in red bone marrow?
What type of cells must migrate to the thymus after being formed in red bone marrow?
Why are T-lymphocytes named as such?
Why are T-lymphocytes named as such?
Why do B-lymphocytes have the 'B' in their name?
Why do B-lymphocytes have the 'B' in their name?
What is the primary function of the thymus?
What is the primary function of the thymus?
Where do immature T-lymphocytes migrate to complete their maturation?
Where do immature T-lymphocytes migrate to complete their maturation?
Why do humans lack the bursa of fabricius?
Why do humans lack the bursa of fabricius?
What is the function of red bone marrow?
What is the function of red bone marrow?
Where are trabeculae found in the thymic lobes?
Where are trabeculae found in the thymic lobes?
What is the primary composition of both the outer cortex and inner medulla of a thymic lobule?
What is the primary composition of both the outer cortex and inner medulla of a thymic lobule?
What is the main function of the epithelial cells in the thymus?
What is the main function of the epithelial cells in the thymus?
Why is the thymus described as a lymphoepithelial organ?
Why is the thymus described as a lymphoepithelial organ?
Where do mature T-lymphocytes reside within a thymic lobule?
Where do mature T-lymphocytes reside within a thymic lobule?
What is the approximate maximum weight of the thymus in children?
What is the approximate maximum weight of the thymus in children?
What type of tissue replaces much of the thymic tissue after it regresses?
What type of tissue replaces much of the thymic tissue after it regresses?
What is the primary function of the epithelial tissue found in the thymus?
What is the primary function of the epithelial tissue found in the thymus?
How many thymic lobes are present in a child's thymus?
How many thymic lobes are present in a child's thymus?
What is the main function of the thymus?
What is the main function of the thymus?
What is the composition of the outer cortex and inner medulla of a thymic lobule?
What is the composition of the outer cortex and inner medulla of a thymic lobule?
Which of the following is NOT a location for red bone marrow in adults?
Which of the following is NOT a location for red bone marrow in adults?
What is the unique step required by T-lymphocytes in their maturation?
What is the unique step required by T-lymphocytes in their maturation?
Which of the following is NOT considered a formed element produced in red bone marrow?
Which of the following is NOT considered a formed element produced in red bone marrow?
What is the process of production of formed elements called?
What is the process of production of formed elements called?
Which of the following is NOT a major type of lymphocyte mentioned in the text?
Which of the following is NOT a major type of lymphocyte mentioned in the text?
After being produced in the red bone marrow, where do most formed elements move directly?
After being produced in the red bone marrow, where do most formed elements move directly?
What is the reason for the name 'T-lymphocytes'?
What is the reason for the name 'T-lymphocytes'?
Why were B-lymphocytes given their name?
Why were B-lymphocytes given their name?
What is the primary function of the thymus?
What is the primary function of the thymus?
Where do immature T-lymphocytes originate from before migrating to the thymus?
Where do immature T-lymphocytes originate from before migrating to the thymus?
What is the primary function of red bone marrow?
What is the primary function of red bone marrow?
What cells are primarily responsible for the maturation of T-lymphocytes within the thymus?
What cells are primarily responsible for the maturation of T-lymphocytes within the thymus?
What structures subdivide the thymic lobes into lobules?
What structures subdivide the thymic lobes into lobules?
Which part of a thymic lobule contains immature T-lymphocytes?
Which part of a thymic lobule contains immature T-lymphocytes?
What type of cells secrete thymic hormones that participate in T-lymphocyte maturation?
What type of cells secrete thymic hormones that participate in T-lymphocyte maturation?
What term is used to describe the thymus due to its composition of lymphoid cells and epithelial tissue?
What term is used to describe the thymus due to its composition of lymphoid cells and epithelial tissue?
Where are the details of T-lymphocyte maturation described?
Where are the details of T-lymphocyte maturation described?
