Structure and Function of Collagen and Bone Flashcards
What does cartilage originate from
Mesenchymal stem cells
How do cartilage receive
nutrients and why
Via diffusion from nearby BRC
Because they have no RBC and nerve cells
What are the 3 types of cartilage
Hyaline, fibrous, elastic
What’s collagen made up of
chondrocytes
What’s the outside of hyaline cartilage called
perichondrium
What are the two layers of the outside of hyaline cartilage
Fibrous
Chondrogenic
What are the two types of ossification
Intramembrane
Endochondral
What are the 5 classifications of bone
Long
Irregular
Sesmoidal
Flat
Short
What are the 3 main bone cells
Osteoclasts
Osteoblasts
Osteocytes
What bone cell breaks down bone/resorption
Osteoclasts
What bone cell forms bone
Osteoblasts
What bone cell maintains bone tissue
Osteocytes
What do osteoblasts secrete
Osteoid
Which bone cell originate from WBC
Osteoclasts
What do osteocytes use to transfer nutrients/waste
Canaliculi
What are the structural units of bones called
Osteons
What is osteons made of
Lamellae
Blood vessels
Lymphatic vessels
Nerve
What do chondroblasts do
Secrete extracellular matrix
