the.com/cerebrospinal
the personal swimming pool your brain floats in to avoid crushing under its own weight
means Relating to the brain and spinal cord, or to the clear fluid that surrounds and cushions them.
from A scientific compound built from Latin: cerebrum, "brain," joined to spinalis, "of the spine," from spina, "thorn" or "backbone" — the spine being imagined as a row of thorny knobs. The two were welded together in 19th-century anatomical Latin, giving doctors a single word for the brain-and-cord system and the fluid that bathes it.
- Brain buoyancy
- Reduces brain's effective weight from 1400g to 25g
- Full refresh
- Entire volume replaced about four times daily
- Night clean
- Floods the brain during sleep to flush waste
- Tap test
- Spinal taps draw it from the lower back
- Cushion duty
- Shock-absorbs your brain against your own skull
lumbar puncture procedure — diagnostic test sampling csf from lower spine, performed ~500,000 times annually in us hospitals
meningitis infection — bacterial or viral inflammation of csf-bathed meninges, kills ~15% of bacterial cases untreated
shunt system implant — valve-regulated tube draining excess csf in hydrocephalus, first successfully implanted 1952