placental

pla·cen·ta

P0342900 (plə-sĕn′tə)n. pl. pla·cen·tas or pla·cen·tae (-tē) 1. a. A membranous vascular organ that develops in female eutherian mammals during pregnancy, lining the uterine wall and partially enveloping the fetus, to which it is attached by the umbilical cord. Following birth, the placenta is expelled.b. A similar organ in marsupial mammals, consisting of a yolk sac attached to the uterine wall.c. An organ with similar functions in some nonmammalian animals, such as certain sharks and reptiles.2. Botany The part within the ovary of a flowering plant to which the ovules are attached.

[New Latin, from Latin, flat cake, alteration of Greek plakoenta, from accusative of plakoeis, flat, from plax, plak-, flat land, surface; see plāk- in Indo-European roots.]

pla·cen′tal adj.

placental

(pləˈsɛntəl) or

placentate

adj (Zoology) (esp of animals) having a placenta: placental mammals. See also eutherian

Thesaurus

Noun	1.	placental - mammals having a placenta; all mammals except monotremes and marsupialseutherian, eutherian mammal, placental mammalmammal, mammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milkEutheria, subclass Eutheria - all mammals except monotremes and marsupialsfarm animal, livestock, stock - any animals kept for use or profitbull - mature male of various mammals of which the female is called `cow'; e.g. whales or elephants or especially cattlecow - mature female of mammals of which the male is called `bull'yearling - an animal in its second yearbuck - mature male of various mammals (especially deer or antelope)doe - mature female of mammals of which the male is called `buck'insectivore - small insect-eating mainly nocturnal terrestrial or fossorial mammalsaquatic mammal - whales and dolphins; manatees and dugongs; walruses; sealscarnivore - a terrestrial or aquatic flesh-eating mammal; "terrestrial carnivores have four or five clawed digits on each limb"Fissipedia - in some classifications considered a suborder of Carnivoraaardvark, Orycteropus afer, ant bear, anteater - nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentatabat, chiropteran - nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigategnawing mammal, lagomorph - relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawinggnawer, rodent - relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawingUngulata - in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates)hoofed mammal, ungulate - any of a number of mammals with hooves that are superficially similar but not necessarily closely related taxonomicallyUnguiculata - in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceansunguiculate, unguiculate mammal - a mammal having nails or clawscony, das, dassie, hyrax, coney - any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toespachyderm - any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamusedentate - primitive terrestrial mammal with few if any teeth; of tropical Central America and South Americaanteater, pangolin, scaly anteater - toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termitesprimate - any placental mammal of the order Primates; has good eyesight and flexible hands and feettree shrew - insectivorous arboreal mammal of southeast Asia that resembles a squirrel with large eyes and long sharp snoutcolugo, flying cat, flying lemur - arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leapsproboscidean, proboscidian - massive herbivorous mammals having tusks and a long trunkplantigrade, plantigrade mammal - an animal that walks with the entire sole of the foot touching the ground as e.g. bears and human beingsdigitigrade, digitigrade mammal - an animal that walks so that only the toes touch the ground as e.g. dogs and cats and horses
Adj.	1.	placental - pertaining to or having or occurring by means of a placenta; "all mammals except monotremes and marsupials are placental mammals"aplacental - having no placenta; "monotremes and marsupials are aplacental mammals"

Translations

placentaire

placental

pla·cen·tal

(plă-sen'tăl), Relating to the placenta.

hydrops fetalis

Kernicterus, Rh incompatibility, Rh-induced hemolytic disease of newborn Obstetrics An accumulation of fluid in neonates, resulting in a 'puffy', plethoric or hydropic appearance that may be due to various etiologies Clinical Ascites, edema, ↓ protein or chronic intrauterine anemia, hepatosplenomegaly, cardiomegaly, extramedullary hematopoiesis, jaundice, pallor COD Heart failure. See Hemolytic disease of the newborn. Hydrops Fetalis, causes Immune Mother produces IgG antibodies against infant antigen(s), often an RBC antigen, most commonly, anti-RhD, which then passes into the fetal circulation, causing hemolysis Non-immune Hydrops may result from various etiologies including • Fetal origin, eg congenital heart disease (premature foramen ovale closure, large AV septal defect), hematologic (erythroblastosis fetalis, α-thalassemia due to hemoglobin Barts, chronic fetomaternal or twin-twin transfusion), infection (CMV, herpesvirus, rubella, sepsis, toxoplasma), pulmonary (cystic adenomatoid malformation, diaphragmatic hernia, with pulmonary hypoplasia, lymphangiectasia), renal (vein thrombosis, congenital nephrosis) and teratomas, skeletal malformations (achondroplasia, osteogenesis imperfecta, fetal neuroblastomatosis, storage disease, meconium peritonitis, idiopathic) • Placental Chorangioma, umbilical or chorionic vein thrombosis • Maternal DM, toxemia

pla·cen·tal

(plă-sen'tăl) Relating to the placenta.

placental

pla·cen·ta

placental

placentate

placental

pla·cen·tal

hydrops fetalis

pla·cen·tal

placental

Synonyms for placental

noun mammals having a placenta

Synonyms

Related Words

adj pertaining to or having or occurring by means of a placenta

Antonyms