We call that special bone found in the wrist of a panda the pseudo-thumb. It is an adaptation that helps pandas to grasp bamboo easily. The pseudo-thumb is actually an extension of the panda's radial sesamoid bone.
The special bone that typically extends from the wrist of a panda is called a "pseudo-thumb". This bone, also known as a "panda thumb", is an extension of the radial sesamoid bone and is used by the panda to help hold and manipulate bamboo.
The special bone that typically extends from the wrist of a panda is called the "pseudo-thumb" or "false thumb." It is an enlarged and elongated wrist bone that helps pandas grasp bamboo more effectively.