Dictionary

neonatal jaundice See jaundice, neonatal.

neonatal Pertaining to the newborn period, specifically the first 4 weeks after birth.

neo- Prefix meaning new, as in neonate (a newborn baby) and neoplasm (an abnormal new growth, a tumor).

nematode A parasitic roundworm.

Neisseria A group of bacteria that includes the bacterium that causes gonorrhea.

neglect, child See child abuse.

needle biopsy, stereotactic See biopsy, stereotactic needle.

needle aspiration, fine See fine needle aspiration.

necrotizing fasciitis Severe bacterial infection of the fascia, the tissues that line and separate muscles, that causes extensive tissue death. Necrotizing fasciitis can be caused by several different types of bacteria, particularly by virulent strains of streptococcus and staphylococcus. The rapid spread and destruction of tissue occurs because of substances produced by the bacteria. Treatment

necrotic Dead. For example, necrotic tissue is dead tissue.

necrosis, gangrenous Tissue death that is due to the combined effects of blood-flow stoppage and bacterial infection.

necrosis, coagulation Tissue death that is due to clots in the bloodstream blocking the flow of blood to the affected area.