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Blight is a rapid and complete chlorosis, browning, then death of plant tissues such as leaves, branches, twigs, or floral organs. [1] Accordingly, many diseases that primarily exhibit this symptom are called blights.
The genus name Phytophthora comes from the Greek φυτό (phyto), meaning "plant" – plus the Greek φθορά (phthora), meaning "decay, ruin, perish".The species name infestans is the present participle of the Latin verb infestare, meaning "attacking, destroying", from which the word "to infest" is derived.
A blighted ovum is a pregnancy in which the embryo is reabsorbed or never develops at all. [1] In a normal pregnancy, an embryo would be visible on an ultrasound by six weeks after the woman's last menstrual period. [2] Anembryonic gestation is one of the causes of miscarriage of a pregnancy and accounts for roughly half of first-trimester ...
Ever since Hurricane Katrina ravaged most of its homes seven years ago, New Orleans has been considered the most blighted city in America -- until now. Detroit and Flint, Mich., also long known as ...
During the postwar era, municipalities sought to grow enriched and modernized communities from the slums that they demolished. As the Civil Rights Movement was in full display through highway revolts and responses to racial violence, there was a growing mindset among urban planners that a communal-focused, people-first approach should be taken, along the same lines as community development ...
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Micrograph of products of conception. Chorionic villi (right of image) and cartilage, i.e. fetal parts (left of image). H&E stain.. Products of conception, abbreviated POC, is a medical term used for the tissue derived from the union of an egg and a sperm.