Cartilage Flashcards
What are chondroblasts?
Cartilage-forming cells
Which cell type forms cartilage?
Chondroblasts
What is the term for a chondroblast that has become trapped in the ECM?
Chondrocyte
Is cartilage innervated?
No
What are the three types of cartilage?
- Hyaline2. Elastic3. Fibrocartilage
What is the main component of hyaline cartilage?
Fine collagen fibrils (Type II)
What is the main component of elastic cartilage?
Fine collagen fibrils (Type II) + elastic fibers
What is the main component of fibrocartilage?
Parallel collagen bundles (Type I)
What is the most abundant type of cartilage?
Hyaline
How does hyaline cartilage appear upon staining?
Glassy, whitish blue
What type of cartilage is used to maintain lumens?
Hyaline
What type of cartilage is used to coat articular surfaces of bones?
Hyaline
What type of cartilage is used at epiphyseal plates of growing bones?
Hyaline
What are the general locations / functions of hyaline cartilage?
- Lumen maintenance (nose, larynx, trachea, bronchi)2. Articular surfaces of bones3. Epiphyseal growth plates of bones
What are chondrification centers?
Sites of of future cartilage production
Chondrification centers are found in what type of cell?
Mesenchymal cell
What is the perichondrium?
CT capsule that covers ONLY hyaline and elastic cartilage
Perichondrium is a CT capsule that covers what types of cartilage?
Hyaline and elastic
What are the layers of the perichondrium?
- Outer fibrous2. Inner cellular