Hypotarsus definition

(anatomy) A process on the posterior side of the tarsometatarsus of many birds; the calcaneal process.
noun
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Other Word Forms

Noun

Singular:
hypotarsus
Plural:
hypotarsi

Origin of hypotarsus

  • hypo- +‎ tarsus

    From Wiktionary

Hypotarsus Sentence Examples

  • The three middle metatarsals become fused together into a cannon bone; the upper part of the third middle metatarsal projects behind and forms the so-called hypotarsus, which in various ways, characteristic of the different groups of birds (with one or more sulci, grooved or perforated), acts as guiding pulley to the tendons of the flexor muscles of the toes.

  • Ardeae.-Piscivorous, nidicolous, waders; with complicated hypotarsus and with long cervical apteria.

  • Hypotarsus complicated.

  • From the Mid-Miocene to the Oligocene of France are known several species of Palaelodus, Elornis and Agnopterus, which have relatively shorter legs, longer toes and a complicated hypotarsus, and represent an earlier family, less specialized although not directly ancestral to the flamingos.

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