Clinical Anatomy Chapter 1

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Questions and Answers

What is the main component of cartilage responsible for its firmness and resilience?

Cells
Fibers
Gel-like matrix (correct)
Connective tissue

What is the primary function of the cells in cartilage?

To produce gel-like matrix (correct)
To provide firmness
To embed fibers
To provide resilience

What type of tissue is cartilage classified as?

Muscle tissue
Epithelial tissue
Connective tissue (correct)
Nervous tissue

What is the characteristic of the matrix in cartilage?

Gel-like and firm (A) Signup and view all the answers

What is embedded in the matrix of cartilage?

Cells and fibers (C) Signup and view all the answers

What is the outer layer that covers the cartilage?

Perichondrium (D) Signup and view all the answers

Where is the perichondrium not found?

Exposed surfaces in joints (D) Signup and view all the answers

What is the function of the perichondrium?

Protects the cartilage from damage (C) Signup and view all the answers

How many types of cartilage are there?

Three (C) Signup and view all the answers

What is the typical location of the cartilage?

Joints (A) Signup and view all the answers

What is a characteristic of the substance that covers the articular surfaces of nearly all synovial joints?

It has a great resistance to wear (A) Signup and view all the answers

Where is the substance with great resistance to wear typically found?

In the articular surfaces of nearly all synovial joints (B) Signup and view all the answers

What is a common location where the substance with great resistance to wear is not found?

In the bones of the skull (C) Signup and view all the answers

What is characteristic of fibrocartilage?

Having a small amount of matrix and many collagen fibers (B) Signup and view all the answers

What is a potential consequence of a substance that is prone to wear covering the articular surfaces of synovial joints?

Increased risk of joint damage (C) Signup and view all the answers

What is the benefit of the substance with great resistance to wear covering the articular surfaces of synovial joints?

It reduces the risk of joint damage (B) Signup and view all the answers

Where is fibrocartilage typically found?

In the discs within joints and on the articular surfaces of certain bones (A) Signup and view all the answers

What type of fibers are embedded in the matrix of elastic cartilage?

Elastic fibers (C) Signup and view all the answers

What is NOT a characteristic of elastic cartilage?

Having a large number of collagen fibers (D) Signup and view all the answers

What is a key difference between fibrocartilage and elastic cartilage?

The type of fibers they possess (B) Signup and view all the answers

Where is cartilage typically found in the human body?

In the auricle of the ear, the external auditory meatus, the auditory tube, and the epiglottis (D) Signup and view all the answers

What is a characteristic of cartilage?

It is a flexible tissue (A) Signup and view all the answers

Which of the following is NOT a location where cartilage is found?

The skeletal system (C) Signup and view all the answers

What is the function of the auricle of the ear where cartilage is found?

To collect and direct sound waves into the ear (B) Signup and view all the answers

In which part of the ear is cartilage found?

The auricle (A) Signup and view all the answers

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Study Notes

Cartilage

Cartilage is a type of connective tissue with cells and fibers embedded in a gel-like matrix, providing firmness and resilience.
Except on exposed surfaces in joints, a fibrous membrane called the perichondrium covers the cartilage.

Types of Cartilage

Hyaline Cartilage: has a great resistance to wear and covers the articular surfaces of nearly all synovial joints.
Fibrocartilage: has many collagen fibers embedded in a small amount of matrix, found in:
- Discs within joints (e.g., temporomandibular joint and knee joint)
- Articular surfaces of the clavicle and mandible
Elastic Cartilage: possesses large numbers of elastic fibers embedded in matrix, making it flexible, found in:
- Auricle of the ear
- External auditory meatus
- Auditory tube
- Epiglottis