Q:

What does the appendicular region consist of?

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Quick Answer

The appendicular skeletal region consists of the pectoral girdle, pelvic girdle and limb bones. The limb bones are broken down into the forelimbs and hind limbs. Some forelimb bones include the humerus, finger phalanges and carpals, while the toe phalanges and femur are among the hind limb bones.

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Full Answer

The humerus is the long bone that makes up the arm, while the carpals are the bones of the wrist. The palm bones, called the metacarpals, are also among the forelimbs that make up the appendicular skeletal region. There are eight carpals, some of which include the trapezium, trapezoid, hamate, pisiform and lunate. The carpals are short, while the metacarpals, of which there are five, are long bones. Unlike the carpals, the metacarpals are assigned the numbers one through five instead of each having distinct names. The femur is the thigh bone, and it is both the strongest and the heaviest bone in the human body. This bone attaches to the hip bone at the acetabulum.

There are a total of 126 limb bones in the human body. Further examples of limb bones include the tibia, fibula and metatarsals. The tibia is the scientific name for the shinbone, while the fibula runs parallel to the tibia. The metatarsals are found in the sole of the foot, and there are five of them.

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