Template:Limb skeleton mesenchyme-cartilage-bone table: Difference between revisions
From Embryology
mNo edit summary |
mNo edit summary |
||
Line 56: | Line 56: | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
| colspan=4|'''Reference''' - {{Ref-O'Rahilly1957}} | | colspan=4|'''Reference''' - {{Ref-O'Rahilly1957}} | ||
|} | |}<noinclude>[[Category:Template]][[Category:Limb]][[Category:Cartilage]][[Category:Bone]][[Category:Reference]][[Category:Ronan O'Rahilly]]</noinclude> |
Revision as of 18:44, 5 June 2016
Horizons in which first appearance of first limb elements is usually found | |||
---|---|---|---|
Skeletal Element | Condensed Mesenchyme |
Cartilage | Bone |
Humerus | xvi | xvi—xvii | xxi—xxii |
Radius | xvi | xvii | xxi-xxiii |
Ulna | xvi | xvii—xviii | xxii-xxiii |
Hand | xvii | xvii—xxi | In fetus1and after birth |
Femur | xvii | xvii—xviii | xxii-xxiii |
Patella | xx | xxi | After birth |
Tibia | xvii | xvii—xxiii | xxii—xxiii |
Fibula | xvii | xxii-xviii | In fetus |
Foot | xvii—xviii | xviii—xxiii or later | in fetus and after birth |
1 Intramembranous ossification at the tips of the distal phalanges of the hand may be in horizon xxiii. | |||
Reference - O'Rahilly R. Gray DI. and Gardner E. Chondrification in the hands and feet of staged human embryos. (1957) Carnegie Instn. Wash. Publ. 611, Contrib. Embryol., 36: |