They stain blue or green with the trichrome stain and they are positive with PAS and methenamine-silver stains.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Slide 20: La b Di a g n o s i s To show the organism Skin clipping Stains - ZN, Fite Faraco, Gomori methenamine silver.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Formaldehyde-releasing preservatives: DMDM hydantoin, diazolidinyl urea, imidazolidinyl urea, methenamine, quarternium-15 and sodium hydroxymethylglycinate are used as preservatives in cosmetics.    From Wordnik.com.  [Ottawa Sun] Reference

5 - Formaldehyde releasing preservatives such as DMDM hydantoin, diazolidinyl urea, imidazolidinyl urea, methenamine, quarternium-15.    From Wordnik.com.  [CBC | Top Stories News] Reference

5. Formaldehyde-releasing preservatives including DMDM hydantoin, diazolidinyl urea, imidazolidinyl urea, methenamine, quarternium-15 and sodium hydroxymethylglycinate: Found in a variety of cosmetics and slowly releases formaldehyde which can cause cancer.    From Wordnik.com.  [canada.com Top Stories] Reference

Make sure your doctor is aware of all medications and supplements you take, as sodium bicarbonate may interact with other antacids, aspirin or aspirin-like medicines, benzodiazepines, flecainide (Tambocor), iron, ketoconazole (Nizoral), lithium (Eskalith, Lithobid), methenamine (Hiprex, Urex), methotrexate, quinidine, sulfa-containing antibiotics, tetracycline (Sumycin), or vitamins, according to PubMed Health.    From Wordnik.com.  [eHow - Health How To's] Reference