Wrist Joint:
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
Capitate
|
2 months
|
-
|
Hamate
|
3 months
|
-
|
Triquitral
|
3 years
|
-
|
Lunate
|
4 years
|
-
|
Traphezium, Traphezoid and Scaphoid
|
5-6 years
|
-
|
Pisiform
|
10-12 years
|
-
|
Lower end of Ulna
|
5-6 years
|
17-18 years
|
Lower end of Radius
|
2 years
|
18-19 Years
|
·
Capitate
is the first carpal bone to appear.
·
Pisiform
is the last carpal bone to appear.
·
2
carpal bones at the age of 1 and 2 years.
·
3 carpal bones at
the age of 3 years.
·
4 carpal bones at
the age of 4 years.
·
8
carpal bones at the age of 12 years.
Elbow Joint:
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
|
Capitulum
|
1 year
|
-
|
|
Medial Epicondyle
|
5-7 years
|
16-17 years
|
|
Trochlea
|
9-11 years
|
-
|
|
Lateral Epicondyle
|
11 years
|
-
|
|
Conjoint Epiphysis(By the fusion of Lateral epicondyle,
Trochlea and Capitulum)
|
Formed at 14-16 years
|
16-17 years
|
|
(Lower end of Humerus)
|
Mentioned
|
16-17 years
|
Shoulder Joint:
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
|
Head
|
½ -1 year
|
-
|
|
Greater Tubercle
|
3 years
|
-
|
|
Lesser Tubercle
|
5 years
|
-
|
|
Conjoint Epiphysis
|
5-6 years
|
18-19 years
|
|
Acromion Process
|
14-15 years
|
17-18 years
|
Hip Joint
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
|
Head of femur
|
½ -1 year
|
17-18 years
|
|
Greater trochanter
|
4 years
|
17-18 years
|
|
Lesser trochanter
|
12-14 years
|
17-18 years
|
|
Tri-radiate Cartilage
|
-
|
13-15 years
|
|
Iliac crest
|
14 years
|
18-20 years
|
|
Ischial Tuberosity
|
16-17 years
|
20-21 years
|
Knee Joint:
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
|
Lower end of Femur
|
9th month of IUL
|
18-19 years
|
|
Upper end of Tibia
|
10th month (At birth)
|
18-19 years
|
|
Upper end of Fibula
|
4 years
|
18-19 years
|
Ankle Joint:
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
|
Lower end of Tibia
|
1 year
|
16-17 years
|
|
Lower end of Fibula
|
1 year
|
16-17 years
|
Sternum:
Sternum is made up of Manubrium,
Body and Xiphisternum; The body is made up of 4 pieces.
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
FUSION
|
|
Manubrium
|
5th month
|
Fuses with First piece of body at old age
|
|
First piece of body
|
5th month
|
4th piece fuses with 3rd piece at
14 years and remaining pieces fuse with one another between 14-25 years.
|
|
2nd piece of body
|
7th month
|
|
|
3rd piece of body
|
7th month
|
|
|
4th piece of body
|
10th month (At birth)
|
|
|
Xiphisternum
|
3 years
|
Fuses with 4th piece at 40 years
|
Foot:
|
OSSIFICATION
CENTRE
|
APPEARANCE
|
|
Calcaneum
|
5th month
|
|
Tallus
|
7th month
|
|
Cuboid
|
10th month (At birth)
|
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