Spindle
Spindle (medicine)
Spindle (pronounced: /ˈspɪn.dəl/) is a term used in various fields of medicine to describe a structure or cell that is elongated and tapered at both ends, resembling the shape of a spinning tool known as a spindle.
Etymology
The term "spindle" originates from the Old English word "spinnel", which refers to a spinning tool. In the context of medicine, the term was first used in the 15th century to describe elongated cells or structures that resemble the shape of a spinning tool.
In Cell Biology
In cell biology, a spindle refers to the mitotic spindle, a structure composed of microtubules that forms during cell division to separate the chromosomes into two daughter cells.
In Neurology
In neurology, spindle may refer to sleep spindle, a burst of brain activity visible on an electroencephalogram (EEG) during stage 2 sleep.
In Pathology
In pathology, a spindle cell is a type of cell that is elongated and often associated with certain types of cancer, such as sarcoma.
Related Terms
External links
- Medical encyclopedia article on Spindle
- Wikipedia's article - Spindle
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