Items related to A Study of the Variations of Polydactyly Occurring...
A Study of the Variations of Polydactyly Occurring in the Wing of the Chick (Classic Reprint) - Hardcover
Synopsis
Exploring how extra digits appear in chick wings and what they reveal about development.
This nonfiction work maps the different ways polydactyly shows up in the wing, focusing on where extra bones form and how they relate to the normal limb structure. Drawing on numerous specimens, it compares the patterns seen in chicks with observations from other species to illuminate underlying developmental processes.
- Examines three main patterns of extra digits and how they vary between individual wings
- Describes the bone structures and their positions relative to the normal ulnar and radial groups
- Links findings to earlier work on limb development and mirror-image arrangements
- Highlights interesting transitional forms and inter-wing differences within pairs
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