381 Activity 6: Examining Microscopic - Structure of Crista Ampullaris For this activity, draw figure 25.8 (p.381), labeling using the labeled figure to the left below for reference: Label: hair cells, cupula, nerve fibers, endolymph
Microscopic examination
The analysis of minute organisms, cellular organization of any biological structure, and composition of body fluids with the help of a microscope is known as microscopic examination. The magnification of specimens or samples under study helps in attaining a clearer picture of it.
Gram Staining
Named after Hans Christian Gram, a Danish bacteriologist, Gram stain is one of the most powerful staining techniques within microbiology. This technique was introduced in 1882 to identify pneumonia-causing organisms. The Gram staining technique uses crystal violet or methylene blue as primary staining colors to distinguish gram-positive from gram-negative organisms. Under a microscope, the gram-positive organisms appear purple-brown, retaining the primary color. Gram-negative organisms appear pink or red as they do not acquire the color of the primary stain.
381 Activity 6: Examining Microscopic - Structure of Crista Ampullaris
For this activity, draw figure 25.8 (p.381), labeling using the labeled figure to the left below for reference:
Label: hair cells,
cupula,
nerve fibers,
endolymph
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