Webster's New World Medical Dictionary

hernia, Velpeau
A protrusion of tissue in front of
the femoral blood vessels in the groin. Treatment is
via surgery.
herbal remedy
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herniated disk
A disk, situated between two ver-
tebrae, that protrudes and tends to press on a nerve
root, causing radiating pain. A herniated disk may
cause sciatica (pain in the lower back, leg, and
behind the knee). Treatment options include use of
anti-inflammatory medications, local injection of
steroids, and surgical procedures. Also known as
herniated disc, slipped disk or disc, prolapsed disk
or disc, and ruptured disc or disk.
herniation
Abnormal protrusion of tissue
through an opening.
heroin
A semisynthetic drug derived from, but
more potent than, morphine. Heroin is now better
known as a drug of abuse than for its medical uses.
Heroin may be injected into a vein, injected under
the skin, snorted, or smoked. It is highly addictive,
and overdose is an ever-present possibility due to
the varying purity of street drugs. Treatment of
heroin addiction may involve the use of medications
such as methadone, a synthetic opoid, and
buprenorphine.
herpes 1
Infection with one of the human herpes
viruses, particularly herpes simplex 1 or 2.
2
The
family of herpesviruses.
herpes, genital
See 
genital herpes.
herpes simplex virus type 1
A herpesvirus that
causes cold sores and fever blisters in and around
the mouth and less commonly, genital herpes.
Abbreviated HSV-1. In rare cases, as when a
patient’s immune system is severely compromised,
this virus can cause infection of the brain
(encephalitis). Also known as human herpesvirus 1
(HHV-1). Treatments include topical or oral antivi-
ral medications. See also 
fever blister.