Final answer:
The tarsus is the back of the foot and is formed by seven tarsal bones.
Step-by-step explanation:
In anatomy, "tarsus" can refer to a group of seven bones in the human foot between the ankle and the toes. It forms the lower part of the ankle joint.
The part of the foot referred to as the Tarsus is the back of the foot. It is formed by the seven tarsal bones, including the calcaneus, talus, navicular, cuboid, medial cuneiform, intermediate cuneiform, and lateral cuneiform bones. These bones make up the posterior foot.