Cartilage

Question 1

What are some characteristics of cartilage?

Answer 1

Cells - chondro-

Fibers and matrix depend on the type of cartilage

Avascular

Question 2

Where is hylaine cartilage?

Answer 2

developing skeleton of embryo

Epiphysial plate of growing bones

Articular cartilage

Respiratory tract

Question 3

Where is elastic cartilage?

Answer 3

Ear, epiglottis, and eustachian tube

Question 4

What are the main types of fibrocartilage?

Answer 4

Intervertebral disks

Meniscus

Mandible

Question 5

Describe hyaline cartilage.

Answer 5

Most common

Glassy appearance

Type 2 collagen, proteoglycans, water

Perichondrium

Resists compression

Question 6

What is appositional growth?

Answer 6

Cells from the inner layer of perichondrium differentiate into chondroblasts

Question 7

What is interstitial growth?

Answer 7

Growth of chondroblasts by mitosis within the cartilage matrix

Question 8

Describe elastic cartilage?

Answer 8

Type 2 collagen

Elastic fibers - make it much more flexible

Surrounded by perichondrium

Question 9

Describe Fibrocartilage.

Answer 9

Type 2 collagen, and type 1 collagen in dens regular pattern

Cells in rows

Provides tensile strength

No perichondrium