Page 1068 - Adams and Stashak's Lameness in Horses, 7th Edition
P. 1068

VetBooks.ir    Articular                   Traction epiphysis
                                             (apophysis)

                 cartilage
                                           Pressure epiphysis

                                          Growth plate (physis)
              Metaphysis









                                     Diaphysis
                                     Medullary cavity



                                       Periosteum

                                                               Figure 10.3.  Postmortem cross section of the tarsus in
               Metaphysis               Growth plate (physis)  a premature foal demonstrating bone surrounded by
                                                               nonossified cartilage (arrow) within the cuboidal bones. These
                  Articular             Pressure epiphysis     bones ossify by centrifugal expansion around a central
                  cartilage                                    cartilage core.

            Figure 10.1.  Sagittal section of the radius and ulna of a foal.



































                         Day 1                         Day 11                              Day 21
             Figure 10.2.  Craniocaudal radiographs of both carpi from the same foal on days 1, 11, and 21 of life demonstrating the rapid  centrifugal
                                     expansion of the cuboidal bones and distal radial epiphysis after birth.


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