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metatarsus

/met-uh-tahr-suhs/US // ˌmɛt əˈtɑr səs //UK // (ˌmɛtəˈtɑːsəs) //

跖骨,蹠骨,蹠部,蹠

Definitions

n.名词 noun
  1. 1

    plural met·a·tar·si [met-uh-tahr-sahy]. /ˌmɛt əˈtɑr saɪ/. Anatomy, Zoology.

    • : the part of a foot or hind limb, especially its bony structure, included between the tarsus and the toes or phalanges.

Examples

  • His feet are strong and made for digging; the metatarsus is elongated, and he has five toes on each foot.

  • There is great similarity between Dinosaurs and Pterodactyles seen in the region of the instep, known as the metatarsus.

  • The toes and tarso-metatarsus are usually featherless and are covered either with granular structures or with well-formed scales.

  • In Gallinaceous birds the tarso-metatarsus bears a bony outgrowth which is sheathed in horn and forms a spur.

  • The distal tarsals fuse with the second, third and fourth metatarsals, forming a compound bone, the tarso-metatarsus.