| 释义 |
‖ metatarsus Anat.|mɛtəˈtɑːsəs|
Pl. metatarsi |-aɪ|.
[mod.L.: see meta- and tarsus.]
The group of five long bones of the foot lying between the tarsus and the toes. In birds, the bone which corresponds to tarsus and metatarsus together.
1676Wiseman Surg. vii. ii. 479 The joyning of..the Tarsus to the Metatarsus. 1682in Phil. Collect. No. 5. 147 Sixty three large Scales, reaching up all along his [sc. the Oestridge's] Foot before, or before those Bones which answer to the Metatarsus. 1879Wright Anim. Life 7 In the Jerboa, among the rodents, the three middle metatarsi form but a single bone. 1899A. H. Evans Birds 10 The covering of the metatarsus is usually ‘scutellated’.
b. Ent. (a) The proximal joint of the tarsus, esp. when much developed. (b) The entire tarsus of the hind foot.
1816Kirby & Sp. Entomol. xv. (ed. 2) I. 494 [The bee] next seizes one of the laminæ of wax with a pincer formed by the posterior metatarsus and tibia. |