An infant; a newborn child.
blue b. a child born cyanotic because of a congenital cardiac or pulmonary defect causing incomplete oxygenation of the blood.
blueberry muffin b. jaundice and purpura, especially of the face in the newborn, which may result from intrauterine viral infection.
collodion b. [MIM*146600] a newborn child with lamellar ichthyosis; at birth, the skin is bright red, shiny, translucent, and drawn tight, giving a distorted appearance (as if having been painted with collodion) of immobilization of the face; contraction of the skin causes ectropion, a pressed down appearance of the nose, and a gaping of the mouth and the labia; autosomal dominant inheritance.
test-tube b. popular term for a b. born after uterine implantation of a maternal ovum fertilized in vitro.
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