Podcast
Questions and Answers
What is the main component of the extracellular matrix of hyaline cartilage?
What is the main component of the extracellular matrix of hyaline cartilage?
- Type II collagen fibers (correct)
- Type I collagen fibers
- Elastic fibers
- Chondrocytes
Why is cartilage limited in thickness?
Why is cartilage limited in thickness?
- Due to presence of elastic fibers
- Due to avascularity
- Due to lack of chondrocytes
- Due to nourishment by diffusion (correct)
Which type of cartilage contains abundant elastic fibers in its extracellular matrix?
Which type of cartilage contains abundant elastic fibers in its extracellular matrix?
- Elastic cartilage (correct)
- Chondrocyte-rich cartilage
- Fibrocartilage
- Hyaline cartilage
In postnatal life, where is cartilage less abundant but still essential?
In postnatal life, where is cartilage less abundant but still essential?
What is the main function of the capsule mentioned in the text?
What is the main function of the capsule mentioned in the text?
Where is fibrocartilage mainly found?
Where is fibrocartilage mainly found?
What is the most significant characteristic of elastic cartilage?
What is the most significant characteristic of elastic cartilage?
How is the nutrition of the cartilage carried out?
How is the nutrition of the cartilage carried out?
Which type of growth involves the differentiation of the perichondrium into chondroblasts?
Which type of growth involves the differentiation of the perichondrium into chondroblasts?
What are the main constituents of the extracellular matrix of hyaline cartilage?
What are the main constituents of the extracellular matrix of hyaline cartilage?
Where are chondrocytes found in mature hyaline cartilage?
Where are chondrocytes found in mature hyaline cartilage?
What do proteoglycan complexes provide in the cartilaginous matrix?
What do proteoglycan complexes provide in the cartilaginous matrix?
What is the composition of the fibrous layer of the perichondrium?
What is the composition of the fibrous layer of the perichondrium?
What is the main source of origin for hyaline cartilage?
What is the main source of origin for hyaline cartilage?
What is the main staining characteristic of the cartilaginous matrix?
What is the main staining characteristic of the cartilaginous matrix?
What is the function of the territorial matrix in hyaline cartilage?
What is the function of the territorial matrix in hyaline cartilage?
What is the main role of chondrocytes in mature hyaline cartilage?
What is the main role of chondrocytes in mature hyaline cartilage?
What is the primary component of the chondrogenic layer of the perichondrium?
What is the primary component of the chondrogenic layer of the perichondrium?
Where are chondrocytes located in hyaline cartilage?
Where are chondrocytes located in hyaline cartilage?
What is the primary characteristic of chondrocytes in mature hyaline cartilage?
What is the primary characteristic of chondrocytes in mature hyaline cartilage?
Which type of cartilage has a dense network of elastic fibers and presents more and larger chondrocytes than hyaline cartilage?
Which type of cartilage has a dense network of elastic fibers and presents more and larger chondrocytes than hyaline cartilage?
Where is fibrocartilage primarily found?
Where is fibrocartilage primarily found?
How is the nutrition of the cartilage carried out?
How is the nutrition of the cartilage carried out?
What is the most significant characteristic of fibrocartilage?
What is the most significant characteristic of fibrocartilage?
What is the function of the capsule mentioned in the text?
What is the function of the capsule mentioned in the text?
Which type of cartilage lacks a perichondrium?
Which type of cartilage lacks a perichondrium?
Where are chondrocytes arranged in rows?
Where are chondrocytes arranged in rows?
Which type of cartilage contains a dense network of elastic fibers?
Which type of cartilage contains a dense network of elastic fibers?
Where is fibrocartilage less frequent and mainly found?
Where is fibrocartilage less frequent and mainly found?
Which type of cartilage presents more and larger chondrocytes than hyaline cartilage?
Which type of cartilage presents more and larger chondrocytes than hyaline cartilage?
Which type of cartilage is found in areas where elasticity and a certain rigidity are needed, such as the ear and the larynx?
Which type of cartilage is found in areas where elasticity and a certain rigidity are needed, such as the ear and the larynx?
Which type of cartilage is less frequent and is mainly found in the intervertebral discs and the heart of dogs?
Which type of cartilage is less frequent and is mainly found in the intervertebral discs and the heart of dogs?
Which type of cartilage lacks a perichondrium and presents great resistance to traction and compression forces?
Which type of cartilage lacks a perichondrium and presents great resistance to traction and compression forces?
Where is the nutrition of the cartilage carried out by diffusion through the capillaries of the perichondrium?
Where is the nutrition of the cartilage carried out by diffusion through the capillaries of the perichondrium?
Which type of cartilage contains a dense network of elastic fibers and more and larger chondrocytes than hyaline cartilage?
Which type of cartilage contains a dense network of elastic fibers and more and larger chondrocytes than hyaline cartilage?
True or false: Elastic cartilage is found in areas where elasticity and rigidity are not needed, such as the inner ear and the larynx.
True or false: Elastic cartilage is found in areas where elasticity and rigidity are not needed, such as the inner ear and the larynx.
True or false: Fibrocartilage lacks a perichondrium.
True or false: Fibrocartilage lacks a perichondrium.
True or false: Hyaline cartilage presents more and larger chondrocytes than elastic cartilage.
True or false: Hyaline cartilage presents more and larger chondrocytes than elastic cartilage.
True or false: The nutrition of the cartilage is carried out by diffusion through the capillaries of the perichondrium.
True or false: The nutrition of the cartilage is carried out by diffusion through the capillaries of the perichondrium.
True or false: Fibrocartilage presents great resistance to traction and compression forces.
True or false: Fibrocartilage presents great resistance to traction and compression forces.
Match the following types of cartilage with their characteristics:
Match the following types of cartilage with their characteristics:
Match the following characteristics with their corresponding type of cartilage:
Match the following characteristics with their corresponding type of cartilage:
Match the following locations with the type of cartilage found in them:
Match the following locations with the type of cartilage found in them:
Match the following components with the type of cartilage they are associated with:
Match the following components with the type of cartilage they are associated with:
Match the following characteristics with the type of cartilage they represent:
Match the following characteristics with the type of cartilage they represent:
ELASTIC CARTILAGE
ELASTIC CARTILAGE
FIBROCARTILAGE
FIBROCARTILAGE
ELASTIC CARTILAGE
ELASTIC CARTILAGE
ELASTIC CARTILAGE
ELASTIC CARTILAGE
FIBROCARTILAGE
FIBROCARTILAGE
Study Notes
Hyaline Cartilage Structure and Growth
- Hyaline cartilage is found in adult articular surfaces of bones, trachea, bronchi, ribs, bones of the nose, and the embryo's skeleton.
- It originates from mesenchymal connective tissue and forms from clusters of undifferentiated mesenchymal cells.
- Cartilage growth occurs through interstitial growth, where chondrocytes divide and secrete new ground substance and collagen fibers, and appositional growth, where the perichondrium differentiates into chondroblasts.
- The perichondrium has two layers: the chondrogenic layer, composed of chondroblasts, and the fibrous layer, made up of type I collagen fibers and fibroblasts.
- Hyaline cartilage is externally surrounded by the perichondrium.
- Chondrocytes in mature hyaline cartilage vary in size and are found in lacunae called chondroplasts, which may contain 1, 2, 4, or 6 chondrocytes.
- The main constituents of the extracellular matrix of hyaline cartilage are type II collagen and proteoglycans, which provide tissue shape and resist tensile and compressive forces.
- Different patterns of collagen distribution in the cartilaginous matrix suggest fiber orientation to resist stress.
- Proteoglycan complexes occupy the interstices of the collagen fibril network and provide a hydrated viscous gel that absorbs compressive forces.
- The cartilaginous matrix is basophilic, PAS+, and metachromatic, and includes territorial and interterritorial matrices.
- Chondrocytes have a spherical nucleus with one or more nucleoli and an abundance of rough endoplasmic reticulum and Golgi complex.
- Active chondrocytes fill lacunae, while old chondrocytes accumulate glycogen and lipids and appear vacuolized in slides.
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Description
Test your knowledge of hyaline cartilage structure and growth with this quiz. Explore the key components of hyaline cartilage, its growth processes, and the characteristics of chondrocytes.
