Hyaline Cartilage Composition Components

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What is the orientation of collagen fibers in the deep zone of hyaline cartilage?

Randomly arranged (correct)

Parallel to the surface

Perpendicular to the surface

Oblique

Where do chondrocytes in the superficial zone of hyaline cartilage tend to be located?

Round in shape

Densely packed (correct)

In columns along the radial direction

Oblong in shape

What happens to the proteoglycan content as you move from the surface to the middle zone in hyaline cartilage?

It decreases

It remains the same

It increases (correct)

It disappears

What role do inorganic ions such as Ca, Na, Cl, and K play in hyaline cartilage?

Generate swelling pressure (C) Signup and view all the answers

Which region of hyaline cartilage lacks fibrous and chondrogenic layers?

Perichondrium (C) Signup and view all the answers

What type of collagen orientation is seen on the superficial layer of hyaline cartilage?

Parallel to the surface (B) Signup and view all the answers

What is the main function of hyaline cartilage in joint capsules?

Support and transmit loads across mobile surfaces (A) Signup and view all the answers

Which component of hyaline cartilage produces collagen and proteoglycans?

Chondrocytes (D) Signup and view all the answers

What is the most abundant protein in the body that is found in the organic matrix of hyaline cartilage?

Collagen (B) Signup and view all the answers

What is the function of proteoglycans in hyaline cartilage?

Store water (D) Signup and view all the answers

How does the distribution of chondrocytes influence the structure of hyaline cartilage?

Affects mechanical and physicochemical behavior (B) Signup and view all the answers

What component of hyaline cartilage contains free mobile cations that influence its behavior?

Water (C) Signup and view all the answers

What is the primary function of collagen in cartilage?

To provide tensile strength (D) Signup and view all the answers

Which component of cartilage is responsible for its low hydraulic permeability and high compressive stress resistance?

Proteoglycans (D) Signup and view all the answers

What is the structural arrangement of proteoglycans in cartilage?

They are attached at right angles to a long filament (B) Signup and view all the answers

What is the consequence of damage to proteoglycans in cartilage?

Increased water mobility and impaired mechanical function (B) Signup and view all the answers

Which component of cartilage forms structural networks that support internal mechanical stresses resulting from external loads?

Proteoglycans and collagen (D) Signup and view all the answers

Which statement about the composition of cartilage is correct?

It contains dissolved inorganic salts and has a high water content (C) Signup and view all the answers

What is the orientation of collagen fibers in the middle layer of hyaline cartilage?

Oblique (C) Signup and view all the answers

What is the role of inorganic ions such as Ca, Na, Cl, and K in hyaline cartilage?

Generate swelling pressure (D) Signup and view all the answers

Where do large fibers from the deep zone of hyaline cartilage anchor into?

Subchondral bone (D) Signup and view all the answers

What is the main function of water in hyaline cartilage?

Produce swelling pressure (C) Signup and view all the answers

What is the orientation of collagen fibers in the superficial zone of hyaline cartilage?

Parallel to articular surface (B) Signup and view all the answers

What happens to the proteoglycan content as you move towards the deep zone in hyaline cartilage?

Diminishes (B) Signup and view all the answers

What is the primary function of proteoglycans in hyaline cartilage?

Increasing water mobility (A) Signup and view all the answers

Which component of hyaline cartilage forms structural networks that support internal mechanical stresses resulting from external loads?

Collagen (D) Signup and view all the answers

How does damage to proteoglycans impact the mechanical function of hyaline cartilage?

Impairs mechanical function (A) Signup and view all the answers

What role do inorganic salts play in the composition of hyaline cartilage?

Increasing water content (D) Signup and view all the answers

Which feature is characteristic of the tissues with high proteoglycan content in hyaline cartilage?

High compressive stress resistance (B) Signup and view all the answers

What is the main function of collagen in creating a framework within hyaline cartilage?

Providing tensile strength (D) Signup and view all the answers

What is the primary role of water content in hyaline cartilage?

Maintains the osmotic pressure and swelling properties of the cartilage matrix (A) Signup and view all the answers

How does the orientation of collagen fibers in the deep zone of hyaline cartilage differ from the superficial zone?

In the deep zone, collagen fibers are oriented perpendicular to the joint surface, while in the superficial zone they are parallel (D) Signup and view all the answers

What is the primary function of proteoglycans in the organic matrix of hyaline cartilage?

Regulate the hydration and swelling properties of the matrix (B) Signup and view all the answers

What is the primary function of the calcified cartilage zone in hyaline cartilage?

Anchor the overlying hyaline cartilage to the underlying subchondral bone (C) Signup and view all the answers

How does the proteoglycan content vary within the different zones of hyaline cartilage?

Proteoglycan content is lowest in the superficial zone and increases with depth (B) Signup and view all the answers

What is the primary role of the subchondral bone in relation to the overlying hyaline cartilage?

Anchor and support the overlying cartilage, transmitting forces through the joint (D) Signup and view all the answers