Feather bones correspond to which anatomical structures?

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Multiple Choice

Feather bones correspond to which anatomical structures?

Feathers anchor along the midline of a bird’s back, where the dorsal thoracic vertebral processes (the spinous processes of the thoracic vertebrae) run along the spine. These dorsal projections provide the bony landmarks right under the feather tracts, so the structures that correspond to the feather bones are the dorsal thoracic vertebral processes. The vertebral bodies lie in front of these, ribs sit to the sides, and cartilage tips used for age estimation aren’t the attachment points for plumage.

Feathers anchor along the midline of a bird’s back, where the dorsal thoracic vertebral processes (the spinous processes of the thoracic vertebrae) run along the spine. These dorsal projections provide the bony landmarks right under the feather tracts, so the structures that correspond to the feather bones are the dorsal thoracic vertebral processes. The vertebral bodies lie in front of these, ribs sit to the sides, and cartilage tips used for age estimation aren’t the attachment points for plumage.

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