Z331 Fall 2010 Week 4 Lecture 2 Endochondral Posted

Z331 Fall 2010 Week 4 Lecture 2 Endochondral Posted -...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Week 4: Lecture 2: Chapter  6 –   The Skeletal System:  Bone Tissue:  Endochondral Ossification
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Endochondral Ossification Most bones  originate as  hyaline  cartilage  Hyaline  cartilage is  replaced by  bone Figure 7-1, 207 Thibodeau, 6 th  ed., fig. 7-7 Newborn Skeleton Adult Skeleton
Background image of page 2
Overview of endochondral ossification Avascular cartilage gradually converted into highly  vascular bone From Ortega et al, Trends in Cell Biology, 14, 2004
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Endochondral Ossification: Step 1:  Precursor Hyaline model  grows by  interstitial and  appositional  growth Chondrocytes at  center enlarge Matrix calcifies  Chondrocytes die Figure 6–9, 190 http://www.bu.edu/histology/p/02401ooa.htm
Background image of page 4
Endochondral Ossification: Step 2 Invade perichondrium Blood vessels grow around the  edges of the cartilage  Cells in the  perichondrium   change to osteoblasts make a layer of bone around the 
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/15/2011 for the course ZOOLOGY 331 taught by Professor Amyharwell during the Fall '10 term at Oregon State.

Page1 / 13

Z331 Fall 2010 Week 4 Lecture 2 Endochondral Posted -...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online