Podcast
Questions and Answers
Which statement about white fibro cartilage is accurate?
Which statement about white fibro cartilage is accurate?
- It is comprised mainly of elastic fibers.
- It plays a crucial role in bone to bone attachment. (correct)
- It is a flexible type of cartilage.
- It is surrounded by a perichondrium.
What characterizes the structure of white fibro cartilage?
What characterizes the structure of white fibro cartilage?
- Presence of perichondrium surrounding the cartilage.
- Presence of chondrocytes in rows between collagen bundles. (correct)
- Uniform distribution of cells in a large matrix.
- Complete lack of collagen fibers.
Which of the following is a site where white fibro cartilage is found?
Which of the following is a site where white fibro cartilage is found?
- Humeral head
- Elbow joint
- Intervertebral disc (correct)
- Knee joint
What type of growth results from the addition of new layers to the surface of cartilage?
What type of growth results from the addition of new layers to the surface of cartilage?
Which type of cartilage growth occurs through the division of chondrocytes inside the cartilage?
Which type of cartilage growth occurs through the division of chondrocytes inside the cartilage?
What is the shape of chondrocytes as observed under light microscopy?
What is the shape of chondrocytes as observed under light microscopy?
Which feature does not characterize chondrocytes when viewed under light microscopy?
Which feature does not characterize chondrocytes when viewed under light microscopy?
What type of collagen do chondrocytes primarily produce?
What type of collagen do chondrocytes primarily produce?
What is referred to as a 'cell nest' in cartilage tissue?
What is referred to as a 'cell nest' in cartilage tissue?
Which of the following structures is critical for the interstitial growth of cartilage?
Which of the following structures is critical for the interstitial growth of cartilage?
Flashcards
Chondrocytes
Chondrocytes
Specialized cells responsible for forming and maintaining cartilage tissue.
Chondroblasts
Chondroblasts
Immature cartilage cells that actively produce and secrete the cartilage matrix.
Lacunae
Lacunae
Spaces within the cartilage matrix where chondrocytes reside. They are surrounded by a condensed matrix capsule.
Appositional Growth
Appositional Growth
The process of cartilage growth from the outside, adding new layers of matrix to the existing cartilage.
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Interstitial Growth
Interstitial Growth
The process of cartilage growth from within, where chondrocytes divide and secrete new matrix within existing cartilage.
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White Fibro Cartilage
White Fibro Cartilage
A specialized cartilage type with densely packed Type I collagen fibers, arranged in parallel bundles.
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Perichondrium Absent
Perichondrium Absent
White Fibro Cartilage lacks a protective outer layer, unlike other cartilage types.
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Where is White Fibro Cartilage Found?
Where is White Fibro Cartilage Found?
White Fibro Cartilage is found in areas that require both support and flexibility, such as between vertebrae, and bone junctions.
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White Fibro Cartilage
- Not surrounded by perichondrium
- Tough type of cartilage
- Structure: Dense collagen fibers (type I), arranged in parallel bundles
- Cartilage cells (chondrocytes) inside lacunae, present in rows between collagen bundles, embedded in very scanty matrix around them
- Sites: Intervertebral discs, Symphysis pubis, Mandibular joint, Sternoclavicular joint
Growth of Cartilage
- Appositional growth: Growth by addition of new layers of cartilage to its surface by the activity of cells from inner layer of perichondrium (chondroblasts)
- Interstitial growth: Growth of cartilage from inside by division of chondrocytes which proliferate and produce matrix around them
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