Multiple Choice
Which two components are commonly found in the extracellular matrix of all connective tissues?
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4. Tissues & Histology
Introduction to Connective Tissue
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Which of these structures is not an example of an extracellular matrix?
A
Proteoglycans
B
Collagen fibers
C
Elastin fibers
D
Adipocytes
Verified step by step guidance1
Understand the concept of extracellular matrix (ECM): The ECM is a network of non-cellular components present within tissues and organs, providing structural and biochemical support to surrounding cells.
Identify the components typically found in the ECM: Common components include proteoglycans, collagen fibers, and elastin fibers, which contribute to the structural integrity and function of tissues.
Examine the role of proteoglycans: Proteoglycans are proteins that are heavily glycosylated and are a major component of the ECM, providing hydration and resilience.
Consider the function of collagen fibers: Collagen fibers are strong, fibrous proteins that form a major part of the ECM, providing tensile strength to tissues.
Evaluate the nature of adipocytes: Adipocytes are cells specialized in storing fat, and they are not part of the ECM. They are cellular components, not extracellular matrix components.
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