Photomicrographs from Zebra Finch and Herring Gull thyroid glands
![Photomicrographs from Zebra Finch and Herring Gull thyroid glands.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Fig.%202AB.jpg?itok=h0XWRZ2m)
Detailed Description
(A) Photomicrograph from a Herring Gull (Larus argentatus) from Wisconsin shows a normal thyroid gland for comparison. Within the thyroid gland there are variably-sized follicles filled lined by cuboidal epithelium (arrowhead) and filled with colloid (*). H&E stain. (B) Photomicrograph from a Zebra Finch (Taeniopygia guttata) from a California aviary that was found dead. Follicular epithelium (arrowhead) is hyperplastic with abundant eosinophilic cytoplasm. Follicular lumina are small or indistinct and contain little or no colloid. H&E stain.
Sources/Usage
Public Domain.