placenta

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pla·cen·ta

 (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.

placenta

(pləˈsɛntə)
n, pl -tas or -tae (-tiː)
1. (Anatomy) the vascular organ formed in the uterus during pregnancy, consisting of both maternal and embryonic tissues and providing oxygen and nutrients for the fetus and transfer of waste products from the fetal to the maternal blood circulation. See also afterbirth
2. (Zoology) the corresponding organ or part in certain mammals
3. (Botany) botany
a. the part of the ovary of flowering plants to which the ovules are attached
b. the mass of tissue in nonflowering plants that bears the sporangia or spores
[C17: via Latin from Greek plakoeis flat cake, from plax flat]

pla•cen•ta

(pləˈsɛn tə)

n., pl. -tas, -tae (-tē).
1. 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.
2.
a. the part of the ovary of flowering plants that bears the ovules.
b. (in ferns and related plants) the tissue giving rise to sporangia.
[1670–80; < New Latin: something having a flat, circular form, Latin: a cake < Greek plakóenta, acc. of plakóeis flat cake, derivative of pláx (genitive plakós) flat]
pla•cen′tal, adj.

pla·cen·ta

(plə-sĕn′tə)
1. The sac-shaped organ that attaches the embryo or fetus to the uterus during pregnancy in most mammals. It supplies the fetus with oxygen and nutrients and is expelled after birth.
2. Botany The part of the ovary of a flowering plant to which the ovules are attached.

placental adjective

placenta

An organ formed in the uterus during pregnancy to nourish the fetus and remove its waste products.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.placenta - that part of the ovary of a flowering plant where the ovules formplacenta - that part of the ovary of a flowering plant where the ovules form
reproductive structure - the parts of a plant involved in its reproduction
ovary - the organ that bears the ovules of a flower
2.placenta - the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
embryonic membrane, caul, veil - the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
vascular structure - a structure composed of or provided with blood vessels
uterus, womb - a hollow muscular organ in the pelvic cavity of females; contains the developing fetus
afterbirth - the placenta and fetal membranes that are expelled from the uterus after the baby is born
Translations
placenta
istukka
fylgjalegkaka
łożysko
posteljica

placenta

[pləˈsentə] N (placentas or placentae (pl)) [pləˈsentiː]placenta f

placenta

[pləˈsɛntə] nplacenta mplace of worship nlieu m de culteplace setting ncouvert m

placenta

nPlazenta f

placenta

[pləˈsɛntə] nplacenta

pla·cen·ta

n. placenta, órgano vascular que se desarrolla en la pared del útero a través del cual el feto se nutre de la madre por medio del cordón umbilical;
abruptio ___L. abrupto placentae; annular ______ anular; decidiate ______ decidua; double ______ doble; ___ previa___ previa., localizada en el segmento uterino anterior.

placenta

n (pl -tas o -tae) placenta; — previa placenta previa
References in periodicals archive ?
Years ago, on ITV's Where There's Life, I invited women into the studio to chat about eating their placentas.
After all, for many mammals, the consumption of placentas placentophagy, as researchers call it has been going on for as long as there have been placentas.
The team released a study showing that consuming encapsulated placentas was not as good of a source of iron as proponents had suggested.
The website also claims placentas contain high levels of thyroxine which can help new mums return to their pre-baby weight in just half the time after birth.
Placentas from term pregnancies were obtained from healthy patients, non-hypertensive, not affected by PE, who underwent caesarean sections, from May 2013 to December 2013 at the Almeida e Castro Hospital and Maternity in Mossoro, state of Rio Grande do Norte.
Using this technique, called Blood-Oxygenation-Level-Dependent (BOLD) MRI, they showed that dysfunctional placentas have large regions with slow oxygen transport to the fetus.
Salafia specializes in reproductive and developmental pathology and reviews thousands of placentas each year through her work with various hospitals and as head of the Placental Modulation Laboratory at the Institute for Basic Research in Developmental Disabilities in Staten Island, N.
Check out the slideshow to see other stars who have ate their placentas after giving birth.
That said, epigenetic differences among placentas don't necessarily reflect differences in other tissues, although they may elucidate the effects of environmental factors on various molecular pathways.
So many of those placentas that migrate most likely never were circumferentially implanted with true villous invasion that reached cervical OS.
IPEN run training programmes for people working in childbirth areas to support new mums by learning how to work with placentas within health guidelines.
The authors conducted the research on a sample of six randomly selected placentas: three placentas collected at the day 16 and three placentas collected at the day 19 of gestation.