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oa African Zoology - The structure of the water-holding feathers of the Namaqua sandgrouse

Volume 8, Issue 2
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X

 

Abstract

The morphology and fine structure of the feather barbules of the Namaqua Sandgrouse Pterocles namaqua are investigated histologically and experimentally by means of light microscopy, scanning electron micrography and X-ray diffraction. Proximally the barbule is helically coiled for three and a half turns and has a kidney-shaped, concave/convex transverse section. The inner concave surface is pitted, the outer convex surface smooth. The barbule is solid, consisting of three layers, and bears a number of appendages at its distal end, where it is more rounded in transverse section.

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/content/afzoo/8/2/AJA00445096_2099
1973-01-01
2020-09-27

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