TISSUE EMBEDDING Meaning and
Definition
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Tissue embedding is a process used in histology, a branch of biology that involves the study of cells and tissues. It is a crucial step in preparing tissue samples for examination under a microscope. Tissue embedding involves the placement of thinly sliced tissue samples into a substance that hardens and supports the tissue structure, allowing for thin sectioning and easier handling during subsequent microscopic analysis.
The process of tissue embedding begins with tissue fixation, which preserves the tissue and prevents decay or degradation. Fixed tissues are then dehydrated using a series of increasing concentrations of alcohol to remove water from the tissue. After dehydration, the tissue is infiltrated with a substance that can be easily cut into thin slices, such as paraffin wax or resin. This infiltration process replaces the alcohol with the embedding material, ensuring that the tissue maintains its structure after sectioning.
Once the tissue is adequately infiltrated, it is removed from the infiltration material and embedded within a mold filled with fresh embedding material. The mold is then chilled or heated to aid in the solidification of the embedding material, creating a solid block around the tissue sample. This block can be easily stored and manipulated during the sectioning process.
Tissue embedding is a critical step in histological procedures as it allows for the production of thin and consistent tissue sections that can be mounted on glass slides for staining and examination. These sections enable the visualization and analysis of cellular structures and histopathological features, aiding in the diagnosis of diseases and the study of normal tissue architecture.
Common Misspellings for TISSUE EMBEDDING
- rissue embedding
- fissue embedding
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- yissue embedding
- 6issue embedding
- 5issue embedding
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Etymology of TISSUE EMBEDDING
The word "tissue embedding" is formed by combining two separate words: "tissue" and "embedding".
1. Tissue: The word "tissue" originated from the Latin word "texere", which means "to weave". It entered the English language in the late 14th century and was initially used to describe woven fabric. Over time, it took on a broader meaning of any fabric-like material or substance. In biology and anatomy, "tissue" refers to a group of similar cells that perform a specific function within an organism.
2. Embedding: The word "embedding" is derived from the verb "embed", which came into English during the late 18th century from the Middle English word "embeaden".
