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Questions and Answers
Which type of tissue consists mainly of cells?
Which type of tissue consists mainly of cells?
What is the function of the interstitial fluid in connective tissue?
What is the function of the interstitial fluid in connective tissue?
What are the components of the extracellular matrix (ECM)?
What are the components of the extracellular matrix (ECM)?
Which of the following is NOT one of the four basic tissues?
Which of the following is NOT one of the four basic tissues?
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What is the major component of most types of connective tissue?
What is the major component of most types of connective tissue?
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Which of the following is a minor component of connective tissue?
Which of the following is a minor component of connective tissue?
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What are the major components of the extracellular matrix (ECM)?
What are the major components of the extracellular matrix (ECM)?
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Which type of tissue is fundamentally different from connective tissue in terms of composition?
Which type of tissue is fundamentally different from connective tissue in terms of composition?
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What are the functions of connective tissue proper and specialized connective tissue?
What are the functions of connective tissue proper and specialized connective tissue?
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What are the cell types found in connective tissue?
What are the cell types found in connective tissue?
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Which type of connective tissue surrounds delicate structures like blood vessels?
Which type of connective tissue surrounds delicate structures like blood vessels?
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What is the precursor tissue from which connective tissue develops?
What is the precursor tissue from which connective tissue develops?
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Which protein fiber in the extracellular matrix (ECM) is flexible and non-extensible?
Which protein fiber in the extracellular matrix (ECM) is flexible and non-extensible?
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Which type of collagen is responsible for resistance to tension in the skin, tendon, bone, dentin, and cementum?
Which type of collagen is responsible for resistance to tension in the skin, tendon, bone, dentin, and cementum?
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Which type of collagen is responsible for resistance to pressure in cartilage?
Which type of collagen is responsible for resistance to pressure in cartilage?
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Which type of collagen is also called reticulin and is found in the skin, muscle, blood vessels, and hematopoietic organs?
Which type of collagen is also called reticulin and is found in the skin, muscle, blood vessels, and hematopoietic organs?
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What is the main function of reticular fibers (type III collagen)?
What is the main function of reticular fibers (type III collagen)?
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Which type of fibers are stainable with silver stains?
Which type of fibers are stainable with silver stains?
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What are elastic fibers composed of?
What are elastic fibers composed of?
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Which type of tissue is elastic fibers most suitable for?
Which type of tissue is elastic fibers most suitable for?
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What is the main function of the ground substance in connective tissue?
What is the main function of the ground substance in connective tissue?
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Which type of glycosaminoglycan doesn't need a core protein?
Which type of glycosaminoglycan doesn't need a core protein?
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What do proteoglycans consist of?
What do proteoglycans consist of?
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Which glycoprotein is present throughout connective tissue and mediates normal cell adhesion and migration?
Which glycoprotein is present throughout connective tissue and mediates normal cell adhesion and migration?
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Which type of connective tissue provides delicate support around blood vessels?
Which type of connective tissue provides delicate support around blood vessels?
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What type of connective tissue forms a framework for cells in lymph nodes and spleen?
What type of connective tissue forms a framework for cells in lymph nodes and spleen?
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Which type of connective tissue provides strength and resists stretching forces in all different directions?
Which type of connective tissue provides strength and resists stretching forces in all different directions?
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What is the main function of loose connective tissue?
What is the main function of loose connective tissue?
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Where is dense regular connective tissue commonly found?
Where is dense regular connective tissue commonly found?
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Which type of connective tissue has lots of cells, lots of ground substance, and a few thin collagen fibers?
Which type of connective tissue has lots of cells, lots of ground substance, and a few thin collagen fibers?
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What is the main function of dense connective tissue?
What is the main function of dense connective tissue?
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Which type of connective tissue has fewer cells, less ground substance, and thick bundles of collagen fibers?
Which type of connective tissue has fewer cells, less ground substance, and thick bundles of collagen fibers?
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What is the main function of dense irregular connective tissue?
What is the main function of dense irregular connective tissue?
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Study Notes
Tissue Composition
- Epithelial tissue consists mainly of cells.
Connective Tissue
- Interstitial fluid in connective tissue provides nutrients and oxygen to cells and removes waste products.
- The extracellular matrix (ECM) components include collagen fibers, elastic fibers, reticular fibers, and ground substance.
- The major component of most types of connective tissue is collagen.
- Adipose tissue is a type of connective tissue that stores energy in the form of fat.
- Nervous tissue is NOT one of the four basic tissues.
Extracellular Matrix (ECM)
- The major components of the ECM are collagen fibers, elastic fibers, reticular fibers, and ground substance.
- Collagen fibers provide strength and structure to connective tissue.
- Elastic fibers are composed of elastin and provide flexibility to connective tissue.
- Reticular fibers are composed of type III collagen and provide a supporting framework for cells.
Connective Tissue Types
- Loose connective tissue is fundamentally different from connective tissue in terms of composition.
- Connective tissue proper and specialized connective tissue provide support, connect, and surround various body structures.
- Cell types found in connective tissue include fibroblasts, adipocytes, chondrocytes, osteocytes, and hematopoietic cells.
- Delicate structures like blood vessels are surrounded by loose connective tissue.
- Connective tissue develops from mesenchyme, the precursor tissue.
Collagen Types
- Type I collagen is responsible for resistance to tension in the skin, tendon, bone, dentin, and cementum.
- Type II collagen is responsible for resistance to pressure in cartilage.
- Type III collagen, also called reticulin, is found in the skin, muscle, blood vessels, and hematopoietic organs.
- The main function of reticular fibers (type III collagen) is to provide a supporting framework for cells.
- Reticular fibers are stainable with silver stains.
Elastic Fibers
- Elastic fibers are composed of elastin and provide flexibility to connective tissue.
- Elastic fibers are most suitable for tissues that require elasticity, such as lung and skin.
Ground Substance
- The main function of the ground substance in connective tissue is to attract and hold water, creating a hydrated environment.
- Hyaluronic acid is a type of glycosaminoglycan that doesn't need a core protein.
- Proteoglycans consist of glycosaminoglycans and core proteins.
- Fibronectin is a glycoprotein present throughout connective tissue and mediates normal cell adhesion and migration.
Connective Tissue Subtypes
- Loose connective tissue provides delicate support around blood vessels.
- Reticular connective tissue forms a framework for cells in lymph nodes and spleen.
- Dense regular connective tissue provides strength and resists stretching forces in all directions.
- The main function of loose connective tissue is to provide support and connect various body structures.
- Dense regular connective tissue is commonly found in tendons and ligaments.
- Loose connective tissue has lots of cells, lots of ground substance, and a few thin collagen fibers.
- The main function of dense connective tissue is to provide strength and support to the body.
- Dense irregular connective tissue has fewer cells, less ground substance, and thick bundles of collagen fibers.
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Description
Test your knowledge of connective tissue and its important role in the body with this quiz. Learn about the matrix, interstitial fluid, and other key components that make up connective tissue.
