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Bone Marrow Structure and Function Quiz

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Questions and Answers

What is the estimated percentage of body weight that the bone marrow accounts for?

1% to 2%

6% to 7%

2% to 3%

4% to 5% (correct)

What type of tissue is the bone marrow?

Highly organized and specialized tissue (correct)

Random mixture of different blood-forming cells

Primarily composed of nerve cells

Rich in lymphatic drainage

What is the bone marrow devoid of?

Nerve cells

Lymphatic drainage (correct)

Vascular sinuses

Hematopoietic tissue islands

What surrounds the hematopoietic tissue islands and adipose cells in the bone marrow?

<p>Vascular sinuses</p> Signup and view all the answers

What is the bone marrow's role as a primary lymphoid tissue?

<p>Development of lymphocytes</p> Signup and view all the answers

Study Notes

Bone Marrow Composition

Bone marrow accounts for approximately 4% of an adult's body weight.
Bone marrow is a type of spongy, fatty tissue.

Bone Marrow Characteristics

The bone marrow is devoid of nerve fibers.
A network of reticular fibers surrounds the hematopoietic tissue islands and adipose cells in the bone marrow.

Bone Marrow Function

As a primary lymphoid tissue, the bone marrow plays a crucial role in the production of immune cells, including B cells and certain T cells.

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Description

Test your knowledge of bone marrow structure and its normal and abnormal functions with this quiz by Dr. Sanni EO. Explore the hematopoietic tissue islands, adipose cells, vascular sinuses, and trabecular bone within the bone marrow. Gain insights into the complexities of this vital organ in the human body.