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Cartilage Matrix Overview

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Questions and Answers

What is the primary function of the extracellular matrix in cartilage?

Providing structure to blood vessels

Facilitating the diffusion of nutrients and oxygen to chondrocytes (correct)

Producing collagen fibers

Storing fat for energy use

How do nutrients reach chondrocytes in cartilage?

Via synovial fluid from surrounding joints

By diffusing through the extracellular matrix (correct)

Through direct blood supply to the chondrocytes

By passing through the cartilage cells

Which of the following statements about the cartilage extracellular matrix is incorrect?

It serves as a medium for nutrient diffusion

It contains a high concentration of collagen

It supports chondrocyte function

It directly nourishes chondrocytes through blood vessels (correct)

What is a critical characteristic of the cartilage extracellular matrix?

<p>Nutrients and oxygen must diffuse through it</p> Signup and view all the answers

Which of the following roles does the cartilage extracellular matrix NOT serve?

<p>Regulating blood flow to chondrocytes</p> Signup and view all the answers

Study Notes

Cartilage Matrix

The extracellular matrix of cartilage is maintained by fibrocytes.
Nutrients and oxygen diffuse through the matrix to reach chondrocytes.
The matrix is responsible for the hard consistency of cartilage.
Cartilage is rich in collagen fibers, type III.

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Description

This quiz focuses on the structure and function of the cartilage matrix. It covers the role of fibrocytes, the diffusion of nutrients and oxygen to chondrocytes, and the composition of the matrix, which is rich in collagen fibers. Test your understanding of how these elements contribute to the properties of cartilage.