Podcast
Questions and Answers
What is the primary function of elastic fibers?
What is the primary function of elastic fibers?
- Provide structural support
- Transport nutrients
- Produce collagen
- Allow for recoil of tissue after being stretched (correct)
Where are elastic fibers predominantly found?
Where are elastic fibers predominantly found?
- Walls of elastic arteries (correct)
- Kidneys
- Bones
- Nervous tissue
Which component is NOT part of the composition of elastic fibers?
Which component is NOT part of the composition of elastic fibers?
- Collagenous fibers
- Elastic fibers
- Bundles oriented in multiple directions
- Fat cells (correct)
Which structure contains elastic fibers?
Which structure contains elastic fibers?
Which of the following best describes the property of elastic fibers?
Which of the following best describes the property of elastic fibers?
Which function is NOT associated with adipose tissue?
Which function is NOT associated with adipose tissue?
Which feature is characteristic of areolar connective tissue?
Which feature is characteristic of areolar connective tissue?
Where is dense irregular connective tissue commonly found?
Where is dense irregular connective tissue commonly found?
What is the primary function of adipocytes in adipose tissue?
What is the primary function of adipocytes in adipose tissue?
Which of these is NOT a location where adipose tissue can be found?
Which of these is NOT a location where adipose tissue can be found?
What is NOT a function of areolar connective tissue?
What is NOT a function of areolar connective tissue?
Study Notes
Connective Tissue
Elastic Fibers
- Composed of bundles and sheets of collagenous and elastic fibers oriented in multiple directions
- Found in walls of elastic arteries (aorta), lungs, and vocal ligaments
- Allows for recoil of tissue after being stretched due to strong yet elastic properties
Adipose Tissue
- Characterized by closely packed adipocytes with nucleus pushed to one side by fat droplet
- Provides reserve food fuel, insulates against heat loss, and supports and protects organs
- Located in various areas including:
- Under skin (insulates the body and protects organs)
- Cushions joints
- Around kidneys, between muscles, behind eyeballs, within abdomen, and in breasts
Areolar Connective Tissue
- Consists of all 3 types of fibers, several types of cells, and semi-fluid ground substance
- Found in:
- Subcutaneous layer
- Mucous membranes
- Around blood vessels, nerves, and organs
- Functions include:
- Providing strength
- Offering support
- Confering elasticity
Dense Irregular Connective Tissue
- Typically found in skin where collagen fibers are arranged in coarse irregular interwoven bundles
- Confers great tensile strength
- Characterized by inactive fibroblasts with highly condensed nuclei and minimal cytoplasm
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Description
Learn about the composition, location, and function of elastic fibers in the human body. From elastic arteries to vocal ligaments, understand their role in tissue recoil.
