Comments of Carpometacarpus
i) It is the bone of manus.
ii) It is a compound bone formed by the fusion of three metacarpals with the distal row of carpals.
iii) The first metacarpal is very short and stumpy.
iv) The second metacarpal is strong and somewhat straight bone.
v) The third metacarpal is represented by the thinner, slightly curved rod on the postaxial side and fused at both the ends with second metacarpal.
Tarso-metatarsus
i) It is a compound bone, formed by the fusion of distal rows of tarsals with the second, third and fourth metatarsals.
ii) It is a stout and long bone proximally articulating with the tibiotarsus and distally bearing three metatarsals each articulating with a corresponding digit.
iii) First metatarsal is a small irregular nodule of bone attached to the inner and posterior surface of tarso-metatarsus.
iv) Proximally it bears two cup-like facets for the articulation with the tibiotarsus.
v) In male, the tarso-metatarsus often bears a stout pointed spinous fighting spur.