Edible anurans have to rely on more than just poison glands which tend to work too late (i.e. after the predator has it in his mouth!) Related articles: How to Rid Your Garden of Toads-tips for dog owners (aside from training the dog of course!)
Manevalâs staining method is a negative staining method. To stain a capsule of a cell by Manevalâs staining method. 1  1 % Congo red solution.  Manevalâs stain.
Tumors have differing appearances on a CT scan depending on the type of tumor and how advanced cancer has become. Some tumors have calcification that glows brightly, and others form hypodense, fluid-filled cysts. Intravenous contrast dye can be useful in identifying tumors on a CT scan.