List Diseases – H
Herpangina is a type of disease caused by a group of Coxsackie viruses, close in its physico-chemical properties to the causative agent of poliomyelitis.
After intravenous injection of a solution of heroin, many sensations arise, for example, a sensation of spilling heat, euphoria, extraordinary pleasure ("rash", or "arrival"), which is compared to sexual orgasm. There are some differences between opioids in terms of the nature of their acute effect: morphine causes a more pronounced histamine-releasing effect, and meperidine is a stronger stimulus.
Herniated pulposus (protrusion, rupture or prolapse of the intervertebral disc) is the prolapse of the central part of the intervertebral disc through the fibrous ring.
A herniated disc (or prolapse) is a protrusion in the back wall of the disc or extrusion of its contents, which persists even in the absence of pressure.