An unusually sudden and high rise in the prevalence of any particular disease within the population. A localized collection of clear fluid causing elevation of the skin, separating it into an upper and lower layer. Breakdown of a blister produces an ulcer. Normally associated with Herpes type 1. A group of nerve cell bodies clustered together in a uniform mass outside of but often close to the brain or spinal chord.
Nerves run to or from the ganglia in passage to or from the brain to specific sites on the body.
Herpes Zoster is sometimes consider a member of this family because of the similar appearance, ability to infect the body chronically in latent state and ability to cause one or more recurrent herpetic illnesses. It is usually characterized by blister and ulcer formation of the skin. An acute, blistering, ulcerative, inflammatory illness of the skin, caused by latent chicken pox virus migrating from the deep nerve ganglion to the zone of skin innervated by that nerve. Called also shingles, zoster, or zona. An abnormal or pathological increase in sensitivity to sensory stimuli, as of the skin to touch or the ear to sound.