Skip to main content
Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues
Marieb - Human Anatomy & Physiology 7th Edition
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091Not the one you use?Change textbook
Chapter 19, Problem 4

The structural framework of lymphoid organs is:
a. Areolar connective tissue
b. Hematopoietic tissue
c. Reticular tissue
d. Adipose tissue

Verified step by step guidance
1
Step 1: Understand the question is asking about the type of tissue that forms the structural framework of lymphoid organs, which provide support for the cells within these organs.
Step 2: Recall that lymphoid organs, such as lymph nodes, spleen, and thymus, have a supportive framework made of a specific connective tissue that forms a network to hold immune cells.
Step 3: Review the options: Areolar connective tissue is loose connective tissue, Hematopoietic tissue is involved in blood cell formation, Reticular tissue is a specialized connective tissue forming a mesh-like framework, and Adipose tissue stores fat.
Step 4: Identify that reticular tissue is known for its fine network of reticular fibers that create a supportive scaffold in lymphoid organs, allowing immune cells to reside and function effectively.
Step 5: Conclude that the correct structural framework of lymphoid organs is reticular tissue, as it provides the necessary support and organization for lymphoid cells.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
2m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Lymphoid Organs

Lymphoid organs are specialized structures in the immune system where lymphocytes develop, mature, and interact. Examples include lymph nodes, spleen, and thymus. Their structural framework supports immune cell organization and function.
Recommended video:
4:34
Primary & Secondary Lymphoid Organs

Reticular Tissue

Reticular tissue is a type of connective tissue composed of a network of reticular fibers made from type III collagen. It forms a supportive mesh that provides the structural framework for lymphoid organs, allowing immune cells to reside and interact efficiently.
Recommended video:
Guided course
04:52
Reticular Connective Tissue

Connective Tissue Types

Connective tissues vary in structure and function, including areolar, adipose, and reticular tissues. Understanding their differences helps identify which tissue forms the framework of lymphoid organs, with reticular tissue being the key supportive network.
Recommended video:
Guided course
01:49
Connective Tissue Proper: Dense Connective Tissue Example 1