Jenner's stain
Jenner's Stain
Jenner's stain (pronunciation: /ˈdʒɛnər/ /steɪn/) is a type of histological stain used in the field of microscopy to color and visualize certain structures in biological specimens. It is named after the British physician Edward Jenner, who is also known for his pioneering work in developing the smallpox vaccine.
Etymology
The term "Jenner's stain" is derived from the name of its inventor, Edward Jenner. The word "stain" comes from the Old English word "stænen," which means to color or dye.
Usage
Jenner's stain is primarily used in the field of hematology to stain blood smears for microscopic examination. It is particularly useful in highlighting the granules in granulocytes, a type of white blood cell. This makes it easier for scientists and medical professionals to identify and study these cells.
Preparation and Application
The preparation of Jenner's stain involves a mixture of eosin and methylene blue in methanol. The staining process typically involves immersing the biological specimen in the stain for a certain period of time, then rinsing it off and examining it under a microscope.
Related Terms
- Histology: The study of the microscopic structure of tissues.
- Microscopy: The technical field of using microscopes to view objects and areas of objects that cannot be seen with the naked eye.
- Hematology: The branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood.
- Granulocytes: A type of white blood cell that has granules in its cytoplasm.
External links
- Medical encyclopedia article on Jenner's stain
- Wikipedia's article - Jenner's stain
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