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.
Conventional CT (also called dynamic incremental scanning), is generated by directing an X-ray beam at several different angles and levels of the abdomen. Contrast dye, given to the patient orally and/or intravenously, helps to make the organs visible by appearing white on the X-ray films.