Here’s that hemisected hen you ordered

January 14, 2019

Ray Wilhite posted this gorgeous image on a Facebook thread, and we’re re-posting it here with his permission.

It’s taken from a poster that Ray co-authored (Roberts et al. 2016). We’re looking here at a coronal cross-section of a hen (age not specified), with anterior to the left. Latex has been injected into the air sacs and lungs, highlighting them in shocking pink.

FInding your way around: the big yellow blobs near the middle are vitelline follicles. Just to their left, the two rounded red triangles that look like networks are the lungs. All the rest of the pink is diverticula and air-sacs: the interclavicle air-sac to the left, the caudal thoracic air-sac right behind the left (lower) lung, and abdominal air-sacs running backwards from the tips of the lungs. The big white oval is a calcified egg.

More from this poster in a subsequent post!

References

  • Roberts, John, Ray Wilhite, Gregory Almond, Wallace D Berry, Tami Kelly, Terry Slaten, Laurie McCall and Drury R. Reavill. 2016. Gross and histologic diagnosis of retrograde yolk inhalation in poultry. The American Association of Avian Pathologists, San Antonio, Texas. doi:10.13140/RG.2.2.28204.26246

 

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