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Dog · Bone · Pelvic limb

Central tarsal bone

Os tarsi centrale

Lies between the talus and the distal row of tarsal bones and holds the two rows together.

System
Bone
Region
Pelvic limb
Sides
Paired: left and right
Named parts
3

Where it runs from and to

A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.

Action
Lies between the talus and the distal row of tarsal bones and holds the two rows together.

Written for Vetomica in its own words from the standard reference anatomy of the dog; the books it was checked against are listed below.

Named parts

What to look for on the bone, and what each part is called in the Nomina Anatomica Veterinaria.

Central tarsal boneOs tarsi centrale
The bone on the medial side of the hock, lying between the proximal and the distal row; it touches every other tarsal bone.Miller 2020, p. 363
Proximal articular surface
The large, hollow, roughly oval face that takes the head of the talus.Miller 2020, p. 363
Plantar tuberosityTuberositas plantaris
The process behind, whose upper surface carries a small facet for the calcaneus.Miller 2020, p. 363

What it meets

Between talus and the distal row (tarsal I-III).

Bones it articulates with

  • Talus
  • First tarsal bone
  • Second tarsal bone
  • Third tarsal bone
  • Fourth tarsal bone

Muscles and ligaments that take hold of it

  • Intertarsal joints

Measured on the specimen

What the central tarsal bone is in contact with in the model itself, with the share of the other structure’s surface it covers. A contact is not always a joint: bones that simply lie against one another are in this list too.

  • Talus19%
  • Fourth tarsal bone10%
  • Third tarsal bone21%
  • Second tarsal bone23%
  • Calcaneus8%
  • First tarsal bone29%

Measured on the left side.

Terminology

English
Central tarsal bone
Latin (NAV)
Os tarsi centrale
Status
A valid term in the Nomina Anatomica Veterinaria

References

Where to read this structure in full, and where the named parts above were read.

  • Miller 2020Miller 2020, ch. 4 The Skeleton, Tarsus, PDF p. 362-364
  • König & Liebich 2020skeleton of the pelvic limb, p. 243-263
  • Dyce 2017ch. 17 Hindlimb of the Dog and Cat, p. 481
  • NAV 2017Osteologia