Century Dictionary and Cyclopedia
- n. A central navel-like depression, like that seen in vesicles of vaccinia or of smallpox; also, the condition of having such a depression.
GNU Webster's 1913
- n. A slight, navel-like depression, or dimpling, of the center of a rounded body; ; also, the condition of being umbilicated.
“Day seven, they show the classic scars of smallpox umbilication.”
“The pustules show no disposition to umbilication, rupture or coalescence; drying in the course of several days or a week to yellowish or brownish crusts, which soon drop off, leaving no permanent trace.”
“The lesions begin as red spots, discrete or in groups, rapidly exhibit vesiculation, and later umbilication; the contents become milky, dry to crusts, which fall off and leave small pit-like scars.”
“The lesions are pin-head to small pea-sized, irregularly grouped or so closely crowded together as to form solid patches; they are quadrangular or polygonal in shape, usually flat, with central depression or umbilication, and are reddish or violaceous in color.”
“In variola, the intensity of the general symptoms, the shot-like beginning of the lesions, their course, the umbilication, and the definite duration, are to be considered.”
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