64. elastic and fibrous cartilage

Question 1

How is elastic cartilage different to hyaline cartilage

Answer 1

has network of elastic fibres in addition to collagen type II fibrils

chondrocytes sit between these elastic fibres and matrix

obvs more elastic-elastin protein

Question 2

where is elastic cartilage found

Answer 2

externl surface of easr , epiglottis, etc

Question 3

Where is fibrocartilage found

Answer 3

invertebral discs
pubic symphysis
attachments of certain ligaments

Question 4

structure of fibrocartilage

Answer 4

chondrocytes and fibroblasts

coarse type I collagen fibres

Question 5

outer and inner intervetrebral disks

Answer 5

the outer of the disk is harder, with bundles of type I collagen PERIPHERAL ANNULUS FIBROSUS,
while the inner has a gel-like matrix rich in hyaluronic acid (softer). CENTRAL NUCLEUS PULPOSUS

Question 6

what makes fibrous cartilage more acidophillic than hyaline and elastic

Answer 6

contains less proteoglycans in its matrix