You searched for: “pygostyle
pygostyle
1. The plate of bone which forms the posterior end of the vertebral column in most birds; the plowshare bone; the vomer.

It is formed by the union of a number of the last caudal vertebrae, and supports the uropigium.

2. The bone at the posterior end of the spinal column in birds, formed by the fusion of several caudal vertebrae.
This entry is located in the following unit: styl-, stylo-, styli- + (page 1)