A procedure in which a needle | is

IS
abbr. chem.comp.	integral skin
abbr. med.	Impingement Syndrome; Infant Size; Infantile Spasms; Intercellular Space
abbr. mil.	Interface Specification; International Security
abbr. qual.cont.	industry standard
abbr. sport.	inherited runners who scored
abbr. st.exch.	Interim Services, Inc.

inserted into the lower region of the | spinal cord

spinal cord
abbr.	sp cd

to collect | cerebrospinal fluid | The

THE
abbr. med.	Tetrahydrocortisone E

| CSF

CSF
abbr. med.	cerebrospinal fluid

| is

IS
abbr. weld.	induction soldering

examined in | a

a
gen.	but

| laboratory

laboratory
abbr. mil. inf.	lab

to diagnose | and

AND
abbr. IT	Logical AND

| monitor

"Monitor"
avia. Canada	An expression used in radiocommunication meaning "Listen out on ."

| certain

certain
abbr. dial.	sartain

| infections | A

a
gen.	but

| spinal tap | may

May
abbr.	M

also be | performed

perform
abbr.	perf

to inject | drugs

DRUG
Nasdaq	Dragon Pharmaceuticals

| or

OR
abbr. med.	Orbicularis Oris

to reduce spinal fluid pressure