Many of the post-colonies use American textbooks, which do not use the ae or oe combinations any more. Placenta definition, the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products. The libum was a small cake, used as an offering to the gods. "Previa" = the Latin word "praevia", meaning "going before". What does placenta mean? See more. Despite awareness of the organ for millennia as the afterbirth, the term “placenta” (from the Latin, meaning “flat cake”, or Greek “plakoenta”) was first used by Matteo Realdo Colombo (1516e1559), a Professor of Anatomy and Surgery at the University of Padova, and published in his landmark contribution De re Anatomica in 1559. Since the phrase is a fully Latin medical term [placenta praevia], it should not have been spelled in any other way. I think that battle's been lost outside Britain, Anglika. The placenta (from Latin «tortilla», meaning placenta) is a children place-fetal organ of all the placental mammals, some marsupials, hammerhead fish and other viviparous fish. Also the viviparous onychophora and other groups of animals transfer the material between the circulation systems of fetus and mother trough placenta. The word plăcintă comes from Latin placenta, which means "cake", ... At first there were only two varieties of cakes, called the libum and the placenta. It plays critical roles in facilitating nutrient, gas and waste exchange between the physically separate maternal and fetal circulations, and is an important endocrine organ producing hormones that regulate both maternal and fetal physiology during pregnancy. PLACENTAL Meaning: "of or pertaining to a placenta," 1784, from Modern Latin placentalis, from placenta (see placenta). The classical plural is … It is her tenth novel to feature her detective character Lord Peter Wimsey. The placenta is a temporary fetal organ that begins developing from the blastocyst shortly after implantation. nominative feminine singular of praevius nominative neuter plural of praevius accusative neuter plural of praevius vocative feminine singular of praevius nominative neuter plural of praevius Meaning of placenta. See definitions of placental. ‘Placenta accreta is a placenta that implants too deeply and too firmly into the uterine wall.’ ‘She could also transmit the infection to the fetus across the placenta.’ ‘The mother had an aggressive metastatic disease, and the cancer could have spread across the placenta to the fetus.’ Most people chose this as the best definition of placenta: Placenta is an organ that... See the dictionary meaning, pronunciation, and sentence examples. Gaudy Night was written by mystery writer Dorothy L. Sayers and published in 1935. ‘Partway through the pregnancy, however, I developed placenta previa, and my pregnancy became high risk.’ Origin Early 19th century from placenta and Latin praevia ‘going before’, feminine of praevius. 4. As for the placenta, the Romans developed the recipe as a … The word placenta comes from the Latin word for cake, from Greek plakóenta/plakoúnta, accusative of plakóeis/plakoús – πλακόεις, πλακούς, "flat, slab-like", in reference to its round, flat appearance in humans.