AcronymDefinitionHNPHealth, Nutrition and PopulationHNPHaitian National Police (est. 1995)HNPHerniated Nucleus PulposusHNPHost Negotiation Protocol

What is HNP of the spine?

Herniated nucleus pulposus is a condition in which part or all of the soft, gelatinous central portion of an intervertebral disk is forced through a weakened part of the disk, resulting in back pain and nerve root irritation.

What does nucleus pulposus mean?

Nucleus pulposus is the inner core of the vertebral disc. The core is composed of a jelly-like material that consists of mainly water, as well as a loose network of collagen fibers. The elastic inner structure allows the vertebral disc to withstand forces of compression and torsion.