120 



BOXES OF THE LOWER LIMB. 

 Fig. 107. 



Fig. 107. — Ossification of the Tibia (R. Qaain). 



A, from a foetus some weeks before birtli ; tlie sliaft is ossified ; tlie cuds are cartila- 

 ginous. 



B, from a child at birth, showing the commencement of a nucleus in the ujiper epiphysis. 



C, at the third year, showing the nucleus of the lower epiphysis. 



D, at about eighteen or twenty years, showing the united condition of the lower epiphysis, 

 while the upper remains separate. The upper epiphysis is seen to include the anterior 

 tuberosity. 



E shows an example of a separate centre for the anterior tuberosity. 

 1, shaft ; 2, superior epiphysis ; 2*, separate centre for the anterior tuberosity ; 3, 

 inferior epiphysis. 



Fig. 108. 



Fig. 108. — Ossification of the Fibcla (K Quain). 



A, from a child at birth. The shaft ossified ; the ends cartilaginous, 



B, from a child of two years, showing a nucleus in the lower epiphysis. 



C, from a child of about four years, showing the nucleus of the ui)per epiphysis ; the 

 lower ought to have been showTi as more advanced. 



D, from a person of about twenty years, in which the lower end is complete, but the 

 upper epiphysis is still separate. 



I, shaft ; 2, lower epiphysis ; 3, U2)per epiphysis. 



