Lumen
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| Lumen | |
|---|---|
| Term | Lumen |
| Short definition | spinal tap (LUM-bar PUNK-cher) A procedure in which a thin, hollow needle is inserted into the lower part of the spine to collect a sample of cerebrospinal fluid (CSF). To do this, the needle is placed between two bones in the spine and into the subarachnoid space (the fluid-filled space between the thin layers of tissue around the spinal cord). |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
lumen - (pronounced) (LOO-men) The cavity or canal in a tube or tubular organ such as a blood vessel or the intestine
External links
- Medical encyclopedia article on Lumen
- Wikipedia's article - Lumen
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