230
UNIT TWO
Styloid process
Ulnar notch of radius
Styloid process
Head of ulna
Ulna
Radius
Radial tuberosity
Head of radius
Coronoid process
Trochlear notch
Olecranon
process
Olecranon
process
Trochlear
notch
Coronoid
process
(b)
(a)
Radial
notch
FIGURE 7.44
±Right±radius±
and ulna. (
a
) The head of the
radius articulates with the radial
notch of the ulna, and the head
of the ulna articulates with the
ulnar notch of the radius. (
b
)
Lateral view of the proximal end
of the ulna.
(c)
Distal
phalanx
Middle
phalanx
Proximal
phalanx
Trapezium
Trapezoid
Capitate
Scaphoid
Trapezium
(a)
(b)
Trapezoid
Capitate
Scaphoid
Ulna
Radius
Lunate
Hamate
Triquetrum
Pisiform
Phalanges
Metacarpals
(metacarpus)
Carpals
(carpus)
5
5
4
4
3
3
2
2
1
1
FIGURE 7.45
Right hand. (
a
) Anterior view. (
b
) Posterior view. (
c
) Radiograph, posterior view. Note the small sesamoid bone associated with the joint
at the base of the thumb (arrow).
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