20 Questions
Which type of cartilage is characterized by a dense mass of rounded cells?
Hyaline cartilage
What is the process of cartilage development called?
Chondrogenesis
Which type of growth involves the formation of new cartilage inside a preexisting cartilage?
Interstitial growth
Which type of growth involves the formation of new cartilage on the surface of a preexisting cartilage?
Appositional growth
During which stage of life does interstitial growth primarily occur?
Adolescence
What are the masses called where individual mesenchymal cells change to a rounded shape in the region where cartilage is being formed?
Chondrification centers
Which cells differentiate into chondroblasts and can divide in the developing cartilage?
Mesenchymal cells
What type of tissue synthesizes the collagenous irregular dense connective tissue in the perichondrium?
Fibrous fibroblast layer
What is the main characteristic of repair and growth processes in cartilage?
Slow and avascular
Which type of cartilage is primarily responsible for growth and repair in the body?
Hyaline cartilage
Cartilage grows in length by _________________ growth. In this type of growth, the cells that divide are the ___________________.
Interstitial; chondrocytes
Cartilage grows in width by _________________ growth. In this type of growth, the cells that divide are the ___________________.
Appositional; chondroblasts
What is the main mechanical function of cartilage?
Resisting tension, compression, and shear
What is the main structural function of cartilage?
Providing flexibility and elasticity
What is the role of cartilage in bone growth?
Serving as a precursor to bone
What is the function of cartilage in the embryonic skeleton?
Forming the embryonic skeleton
What allows longitudinal growth of long bones?
Cartilage
What is the process called when cartilage grows in width by accumulating matrix beneath the perichondrium?
Appositional growth
What are the cells that divide and differentiate into chondroblasts in the internal cell layer of cartilage?
Chondrogenic cells
How does cartilage grow in length?
By dividing and differentiating into chondrocytes
Study Notes
Cartilage Characteristics
- Hyaline cartilage is characterized by a dense mass of rounded cells.
Cartilage Development
- Cartilage development is called chondrogenesis.
Types of Cartilage Growth
- Interstitial growth involves the formation of new cartilage inside a preexisting cartilage.
- Appositional growth involves the formation of new cartilage on the surface of a preexisting cartilage.
Stages of Cartilage Growth
- Interstitial growth primarily occurs during childhood and adolescence.
Cartilage Formation
- Mesenchymal cells change to a rounded shape in the region where cartilage is being formed, resulting in masses called lacunae.
- Mesenchymal cells differentiate into chondroblasts and can divide in the developing cartilage.
Perichondrium
- The perichondrium synthesizes the collagenous irregular dense connective tissue.
Repair and Growth Processes
- The main characteristic of repair and growth processes in cartilage is that they are slow and inefficient.
Cartilage Types and Functions
- Hyaline cartilage is primarily responsible for growth and repair in the body.
- Cartilage grows in length by interstitial growth, where the cells that divide are the chondrocytes.
- Cartilage grows in width by appositional growth, where the cells that divide are the reserve cells.
- The main mechanical function of cartilage is to provide support and protection.
- The main structural function of cartilage is to provide a framework for the growth of bones.
- Cartilage plays a crucial role in bone growth and development.
- In the embryonic skeleton, cartilage provides a template for bone formation.
Long Bone Growth
- The epiphyseal plate allows longitudinal growth of long bones.
Cartilage Growth Processes
- Cartilage grows in width by accumulating matrix beneath the perichondrium, a process called appositional growth.
- The internal cell layer of cartilage contains cells that divide and differentiate into chondroblasts.
- Cartilage grows in length by the division of chondrocytes and the deposition of new matrix.
Test your knowledge on cartilaginous tissue and its general characteristics, types (hyaline, elastic, fibrocartilage), and growth and repair processes. Learn about chondrogenesis and the origins of cartilage from mesenchyme.
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