non-staining
31Mohs surgery — Intervention MeSH D015580 Mohs surgery, also known as chemosurgery, created by a general surgeon, Dr. Frederic E. Mohs, is microscopically controlled surgery used to treat common types of skin cancer. It i …
32History of malaria — The history of malaria predates humanity, as this ancient disease evolved before humans did. Malaria, a widespread and potentially lethal infectious disease, has afflicted people for much of human history, and has affected settlement patterns.… …
33Osmium — This article is about the chemical element. For other uses, see Osmium (disambiguation). rhenium ← osmium → iridium Ru ↑ Os ↓ Hs …
34Virus — This article is about the biological agent. For other uses, see Virus (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to viruses. Viruses …
35Crystal violet — IUPAC name Tris(4 (dimethylamino)phenyl)methylium chloride[ …
36Gram-positive bacteria — Gram positive bacteria, stained purple, of both the bacillus (“rod shaped”) and coccus (spherical) forms.  A few Gram negative bacteria are also present, stained pink.  Numbered ticks are eleven (11) microns apart. Gram positive… …
37Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… …
38Psilocybe — Taxobox name = Psilocybe image width = 199px image caption = Psilocybe azurescens regnum = Fungi divisio = Basidiomycota subdivisio = Agaricomycotina classis = Agaricomycetes ordo = Agaricales familia = Strophariaceae (and Hymenogastraceae) genus …
39Immunostaining — Micrograph of an immunostained section of a brain tumour. GFAP immunostain. Immunostaining is a general term in biochemistry that applies to any use of an antibody based method to detect a specific protein in a sample. The term immunostaining was …
40List of churches in London — St. Paul s from the South London is the location of many famous churches, chapels and cathedrals, in a density unmatched anywhere else in England.[1] …
