See under .
Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk Also called slapped-cheek disease Technical name erythema infectiosum
fifth disease n.
See erythema infectiosum.
- Human placental lactogen
human placental lactogen n. Abbr. HPL A hormone that is isolated from human placentas, that has a biological activity that weakly mimics the activity of somatropin and prolactin, and that is secreted into maternal circulation. Also called chorionic growth hormone-prolactin, human chorionic somatomammotropic hormone, placental growth hormone.
- Human plasma protein fraction
human plasma protein fraction n. A sterile solution of selected proteins removed by fractionation from the blood plasma of adult human donors and used to augment blood volume.
- Human pyramid
noun a towerlike configuration created by people kneeling or standing on top of each other, with just one person on top Examples In cheerleading, many squads create a multi-level pyramid. Word Origin by 1798
noun, (usually used with a singular verb) 1. the study of group behavior for the purpose of improving interpersonal relationships, as among employees.