Cartoon Finger Picture
The thumb (connected to the trapezium) lies on one of the sides, alongside the arm.
Sesamoid bones are little ossified nodes embedded in the tendons to offer added take advantage of and also decrease pressure on the underlying tissue. Several exist around the palm at the bases of the figures; the specific number ranges different people.
The expressions are: interphalangeal expressions between phalangeal bones, and metacarpophalangeal joints linking the phalanges to the metacarpal bones.