Xiphoid fuses with sternum by what age
?
a) 30 years
b) 35 years
c) 40 years
d) 45 years
Correct Answer - C
Ans. is ‘c’ i.e., 40 years [Ref Parikh 6th le p. 2.30, 2.31]
Sternum
Pieces of body unite between 14-25 years.
Xiphoid unites with body at 40 years.
Manubrium unites with body at 60 years.
Other bones
Hyoid : greater cornu unites with body at 40-60 years.
Laryngeal and costal cartilages ossify after 40 years.
Vertebra : Osteophytes outgrowth, lipping of vertebra and disc
atrophy occur