Definition

1. Noun:
   • A bone of the tarsus: A "tarsal bone" is any one of the cluster of seven bones that form the posterior part of the foot in humans and other vertebrates, connecting the tibia and fibula of the lower leg to the metatarsal bones of the midfoot.

Usage

• The term "tarsal bone" is used in anatomical, medical, and zoological contexts to refer specifically to the bones that constitute the ankle and heel region.
• It is typically used in singular form to refer to one such bone or in plural form ("tarsal bones") to refer to the group collectively.

Examples

• Noun:
  • The calcaneus is the largest tarsal bone and forms the heel.
  • An injury to a tarsal bone can make walking very painful.
  • The surgeon carefully realigned the fractured tarsal bone.

Advanced Usage

• "Tarsal coalition": A condition where two or more tarsal bones are abnormally fused together, which can restrict foot motion.
  • The patient's foot stiffness was diagnosed as a tarsal coalition.

Variants and Related Words

• Tarsal (adj): Pertaining to the tarsus or tarsal bones.
  • The tarsal joints allow for complex foot movements.
• Tarsus (n): The entire group of tarsal bones considered as a structural unit; the ankle.
• Tarsometatarsal (adj): Relating to the tarsal bones and the metatarsal bones.

Synonyms

• Ankle bone: A common, less precise synonym, though it may refer specifically to the talus bone.
• Bone of the tarsus: A descriptive synonym.

Related Phrases

• Tarsal tunnel: A canal in the ankle formed by tarsal bones and tissue, through which nerves and tendons pass.
  • Compression of the nerve in the tarsal tunnel causes pain and numbness.

Notes

• The seven tarsal bones in the human foot are the talus, calcaneus, navicular, cuboid, and the three cuneiform bones (medial, intermediate, lateral).

Noun

1. any bone of the tarsus