Axis

The second cervical vertebra: a long blade-like spine and the dens projecting forward into the atlas, which is the pivot the head turns on.

System
Bone
Region
Neck
Sides
Single, on the midline
Axis of the pig: a three-quarter view of the bone.

Measured on the specimen

What the axis 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.

  • Atlas17%
  • Vertebra cervicalis III6%

Measured on the left side.

Terminology

English
Axis
Latin (NAV)
Axis
Status
A valid term in the Nomina Anatomica Veterinaria
Join the community