Procedure,indicated when meningitis is suspected,that involves inserting a spinal needle into the subarachnoid space to remove cerebrospinal fluid for examination

A) internuncial neurons
B) membrane excitability
C) serotonin
D) interneurons
E) autonomic system
F) brain
G) ventricles
H) cerebrospinal fluid
I) arteriography
J) Glasgow Coma Scale (GCS)
K) electromyography (EMG)
L) lumbar puncture

Lumbar Puncture

The insertion of a needle between the vertebrae in the lumbar area for the purpose of withdrawing spinal fluid.

Meningitis

An inflammation of the meninges, the protective membranes covering the brain and spinal cord, often caused by infection.

Subarachnoid Space

The interval between the arachnoid membrane and the pia mater covering the brain and spinal cord, filled with cerebrospinal fluid.