elucidate

to make clear; to determine; to find out

embolism

blocking of an artery (by blood clot or air bubble)

embryo

unborn baby

emesis

vomiting

empiric

based on experience

encephalitis

inflammation of the brain

enteral

by way of the intestines

epidural

outside the spinal cord (injection in the lower spine to reduce pain)

eradicating

getting rid of

extravasate

to leak outside of a blood vessel