Cartilage and Bone (Histo) 11-4-16 Flashcards
Cartilage is composed of two types of cells…. and …
chondroblasts and chondrocytes
95%+ of the volume of cartilage is… which is rich in… and… this allows for…
- Extracellular matrix
- glycosaminoglycans and proteoglycans
- withstanding mechanical forces
What are the two types of mechanisms for cartilage growth?
- appositional
2. interstitial
Appositional growth is growth by…
addition to an existing surface; generation of new chondroblasts
Interstitial growth is growth by…
internal expansion; proliferation of chondrocytes and formation of isogenous groups
3 types of cartilage
- hyaline
- elastic
- fibrocartilage
Hyaline cartilage and elastic cartilage are type…
type 2 collagen
Fibrocartilage is type…
type 1 collagen
A perichondrium is present in… and … cartilage but NOT…
- Hyaline and elastic
- NOT in fibrocartilage
4 locations of elastic cartilage
- auricle (pinna)
- auditory canal
- auditory tube (pharyngotympanic tube)
- epiglottis
Spongy bone is … bone and does NOT contain…. or a …. system but still have lamellae
- lamellar
- osteons
- haversion system
