Connective Tissue Overview

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What is the main characteristic that defines connective tissue?

Few cells loosely embedded in a complex extracellular matrix (correct)

High cellular density and little intercellular matrix

Lack of vascularization and innervation

Cells with polarity and a simple extracellular matrix

What is the embryonic origin of connective tissue?

Ectoderm

Endoderm

Mesoderm (correct)

All of the above

What is the function of connective tissue in providing physical support to the body?

Through bone tissue (correct)

Through its role in thermoregulation

Through its role in nutrition and storage

Through its role in defense mechanisms

What type of tumors arise from connective tissue?

Sarcomas Signup and view all the answers

What is the name of the complex extracellular matrix found in connective tissue?

Ground substance Signup and view all the answers

What is the function of mast cells in the body?

To trigger symptoms of allergy through histamine release Signup and view all the answers

What is the composition of collagen fibers?

Fibrils arranged in bundles of indefinite length Signup and view all the answers

What is the approximate percentage of collagen in the human body?

30% of its dry weight Signup and view all the answers

What is the function of vitamin C in collagen synthesis?

As a cofactor in collagen synthesis Signup and view all the answers

What is the characteristic of collagen fibers in terms of elasticity?

They can stretch up to 5% of their initial length Signup and view all the answers

What is the cell responsible for collagen synthesis?

All of the above Signup and view all the answers

What is the main function of fibroblasts in connective tissue?

To synthesize fibers of the connective tissue Signup and view all the answers

What type of collagen fibers do reticular cells synthesize?

Fine collagen fibers Signup and view all the answers

What is the name of the macrophages found in the liver?

Kupffer cells Signup and view all the answers

What is the name of the type of fat that contains multiple droplets of lipids?

Multilocular fat Signup and view all the answers

What is the main function of adipocytes in connective tissue?

To deposit lipids Signup and view all the answers

What is the origin of macrophages in connective tissue?

From monocytes that cross the vessel walls into connective tissue Signup and view all the answers

What percentage of the body's collagen is Type 1?

90% Signup and view all the answers

What is the primary function of Type 2 collagen?

Resists compression Signup and view all the answers

What type of collagen is found in epithelial basal lamina?

Type 4 Signup and view all the answers

What is the characteristic of elastic fibers?

Pale yellow and can stretch 2.5 times original length Signup and view all the answers

What type of collagen do reticular fibers consist of?

Type 3 Signup and view all the answers

What is the result of a deficiency in Collagen Type III?

Fragile skin syndromes Signup and view all the answers

What is the characteristic of Loose Connective Tissue?

Loosely arranged fibers Signup and view all the answers

What is the main difference between Loose and Dense Irregular Connective Tissue?

Number of cells and fibers Signup and view all the answers

In which type of Connective Tissue are fibers irregularly and regularly arranged?

Dense Connective Tissue Signup and view all the answers

What is the relationship between Loose and Dense Irregular CT relative to an epithelium?

The positioning of Loose and Dense CT varies relative to an epithelium Signup and view all the answers

What is the characteristic of Dense Connective Tissue?

Many fibers and few cells Signup and view all the answers

What is the characteristic of Reticular Connective Tissue?

Loose and dense irregularly arranged fibers Signup and view all the answers

What is the primary function of the ground substance in connective tissue?

To facilitate the exchange of nutrients and waste Signup and view all the answers

What is the characteristic of connective tissue that distinguishes it from other tissues?

Lack of polarity in cells Signup and view all the answers

Which of the following is a function of connective tissue in the body?

To defend against injury and repair damaged tissue Signup and view all the answers

What is the term for connective tissue that has a high cellular density and little intercellular matrix?

High cellular density connective tissue Signup and view all the answers

What type of collagen fibers do fibroblasts synthesize?

Collagenous, elastic, and reticular fibers Signup and view all the answers

What color of adipocytes contain multiple droplets of lipids?

Brown adipocytes Signup and view all the answers

What is the function of reticular cells in connective tissue?

To offer scaffolding to parenchymatous organs Signup and view all the answers

What is the function of macrophages in connective tissue?

To phagocytose foreign particles Signup and view all the answers

What are the components of ground substance?

Glycosaminoglycans and core proteins Signup and view all the answers

What is the main function of tissue fluid?

To remove waste and maintain fluid balance Signup and view all the answers

What is the significance of skin turgor?

It indicates hydration levels Signup and view all the answers

What is the role of lymphatics in connective tissue?

To maintain fluid balance and prevent edema Signup and view all the answers

What is edema?

A condition of fluid accumulation Signup and view all the answers

What is the relationship between proteoglycans and glycosaminoglycans?

Glycosaminoglycans link to core proteins to form proteoglycans Signup and view all the answers

Which type of adult connective tissue has fibers that are loosely arranged and irregular?

Loose Connective Tissue Signup and view all the answers

In which type of Connective Tissue are fibers densely packed and irregularly arranged?

Dense Connective Tissue Signup and view all the answers

What is the characteristic of Reticular Connective Tissue?

Fibers that form a scaffolding structure Signup and view all the answers

Where is Loose Connective Tissue typically found in the body?

In the skin and epithelial tissues Signup and view all the answers

What is the primary function of leptin produced by adipocytes?

Regulation of body fat Signup and view all the answers

In which type of tissue are reticular fibers typically found?

Reticular Connective Tissue Signup and view all the answers

What is the primary function of Brown Adipose Tissue?

Heat generation Signup and view all the answers

Connective Tissue Overview

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Questions and Answers

What is the main characteristic that defines connective tissue?

What is the embryonic origin of connective tissue?

What is the function of connective tissue in providing physical support to the body?

What type of tumors arise from connective tissue?

What is the name of the complex extracellular matrix found in connective tissue?

What is the function of mast cells in the body?

What is the composition of collagen fibers?

What is the approximate percentage of collagen in the human body?

What is the function of vitamin C in collagen synthesis?

What is the characteristic of collagen fibers in terms of elasticity?

What is the cell responsible for collagen synthesis?

What is the main function of fibroblasts in connective tissue?

What type of collagen fibers do reticular cells synthesize?

What is the name of the macrophages found in the liver?

What is the name of the type of fat that contains multiple droplets of lipids?

What is the main function of adipocytes in connective tissue?

What is the origin of macrophages in connective tissue?

What percentage of the body's collagen is Type 1?

What is the primary function of Type 2 collagen?

What type of collagen is found in epithelial basal lamina?

What is the characteristic of elastic fibers?

What type of collagen do reticular fibers consist of?

What is the result of a deficiency in Collagen Type III?

What is the characteristic of Loose Connective Tissue?

What is the main difference between Loose and Dense Irregular Connective Tissue?

In which type of Connective Tissue are fibers irregularly and regularly arranged?

What is the relationship between Loose and Dense Irregular CT relative to an epithelium?

What is the characteristic of Dense Connective Tissue?

What is the characteristic of Reticular Connective Tissue?

What is the primary function of the ground substance in connective tissue?

What is the characteristic of connective tissue that distinguishes it from other tissues?

Which of the following is a function of connective tissue in the body?

What is the term for connective tissue that has a high cellular density and little intercellular matrix?

What type of collagen fibers do fibroblasts synthesize?

What color of adipocytes contain multiple droplets of lipids?

What is the function of reticular cells in connective tissue?

What is the function of macrophages in connective tissue?

What are the components of ground substance?

What is the main function of tissue fluid?

What is the significance of skin turgor?

What is the role of lymphatics in connective tissue?

What is edema?

What is the relationship between proteoglycans and glycosaminoglycans?

Which type of adult connective tissue has fibers that are loosely arranged and irregular?

In which type of Connective Tissue are fibers densely packed and irregularly arranged?

What is the characteristic of Reticular Connective Tissue?

Where is Loose Connective Tissue typically found in the body?

What is the primary function of leptin produced by adipocytes?

In which type of tissue are reticular fibers typically found?

What is the primary function of Brown Adipose Tissue?

What is the characteristic of fibrocyte nuclei in Dense Regular Connective Tissue?

What is the function of adipocytes in protecting the body?

What is the characteristic of Unilocular fat cells?

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