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A portion of the periodic table of elements
Acromegaly in one individual from a pair of identical twins.
The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t
A nearly motionless individual, alert to danger, will whistle when alarmed to warn other groundhogs
Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o
Tubular portion of one nephron, cutaway view. The tubule starts at Bowman’s capsule.