Cartilage And Bond Flashcards
Where does cartilage develop from
Chondroblast
Cartilage is an elaborate support tissue that compose?
Glycoaminoglycans and collagen type II
Name the major glycoaminoglycans?
Hyaluronic acid, chondroitin and keratin sulfate.
GAGs stain which color?
Blue
Which part of cartilage contains chondroblasts.
Perichondrium
What does interstitial growth and appositional growth mean?
Within and periphery
Facts about cartilage
Most devoid of blood vessels, depends on diffusion through ground substance, limits thickness, thicker around cartilage canals e.g costal.
Three types of cartilage
Hyaline, fibrocartilage, and elastic.
Hyaline
Type II collagen Temporary skeleton in fetus Articular surface in joint Respiratory passage Sternal end of ribs
Fibrocartilage
Contains type 1 and type 2 collagen
Where is fibrocartilage found?
Intervertebral discs, tendons, junctions between flat bones of pelvis.
Elastic cartilage
Type 2 collagen and elastic fibres
Where are elastic cartilage found?
Auricle of ear
Walls of external auditory canal
Eustachian tubes
Epiglottis
Histological features of white fibro cartilage
No perichondrium, chrondocytes in a row, collagen fibres.
What are the three functions of bone?
Metabolic, mechanical and hematopoietic