Special Stain: GMS

Todayโ€™s special stain is ๐†๐Œ๐’!

๐–๐ก๐š๐ญ ๐ข๐ฌ ๐š ๐†๐Œ๐’ ๐ฌ๐ญ๐š๐ข๐ง?
GMS stands for ๐†๐จ๐ฆ๐จ๐ซ๐ขโ€™๐ฌ ๐ฆ๐ž๐ญ๐ก๐ž๐ง๐š๐ฆ๐ข๐ง๐ž ๐ฌ๐ข๐ฅ๐ฏ๐ž๐ซ. This stain is primarily used to highlight ๐Ÿ๐ฎ๐ง๐ ๐ข. Fungi can be very difficult to see on our routine H&E stain, so this stain makes them much more obvious by dying them black against a light green background.

This image is a case of ๐๐ฒ๐ญ๐ก๐ข๐ฎ๐ฆ ๐ข๐ง๐ฌ๐ข๐๐ข๐จ๐ฌ๐ฎ๐ฆ in the intestine of a dog. Pythium is a fungus found in standing water and soil, and is most known for causing large, ulcerated lumps on the skin. In the intestine, it causes the intestinal wall to thicken, leading to weight loss, diarrhea, vomiting and abdominal pain.

Photo ยฉ Noahโ€™s Arkive contributor Rech licensed under CC BY-SA 4.0.

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