Functionally, these neurons are either motor (conducting impulses that will cause activity such as the contraction of muscles) or association (conducting impulses and permitting 'communication' between neurons within the central nervous system).
The scant research that has been done on the causes of pica suggests that the disorder is a specific appetite caused by mineral deficiency in many cases, such as iron deficiency, which sometimes is a result of celiac disease or hookworm infection.
by Erica Nagel. Necrotizing fasciitis, or the flesh eating bacteria, is a skin disease which can be caused by several bacteria, but the most common and deadly causative agent is Streptococcus pyogenes, or group A streptococcus, from here on denoted as GAS (Tortora 591).AS is the causative agent for several diseases and is among the most common human pathogens (Tortora 590). This bacterium also causes scarlet fever, impetigo, cellulitis, and sepsis. The only known natural reservoir of S. pyogenes is the skin and mucous membranes of humans (Luckman 1).