placenta

placenta
placenta [plə sen′tə]
n.
pl. placentas or placentae [plə sen′tē] [ModL < L, lit., a cake < Gr plakounta, acc. of plakous, a flat cake < plax (gen. plakos), a flat object < IE base * plāk-, flat > L placere, to PLEASE]
1. Anat. Zool.
a) a vascular organ, developed within the uterus of most mammals during gestation from the chorion of the embryo and a part of the maternal uterine wall, that is connected to the embryo by the umbilical cord and that is discharged shortly after birth: it serves as the structure through which nourishment for the fetus is received from, and wastes of the fetus are eliminated into, the circulatory system of the mother
b) any similar structure in other animals
2. Bot.
a) that part of the lining of the ovary which bears the ovules
b) any mass of tissue that bears sporangia or spores
placental
adj.

English World dictionary. . 2014.

Игры ⚽ Нужен реферат?
Synonyms:
,


Look at other dictionaries:

  • Placenta — Saltar a navegación, búsqueda Ubicación de la placenta La placenta del latín torta plana refiriéndose a su apariencia en humanos[1] …   Wikipedia Español

  • placenta — [ plasɛ̃ta ] n. m. • 1642; placente « gâteau, galette » 1540; mot lat. 1 ♦ Masse charnue et spongieuse richement vascularisée, qui adhère à l utérus par un grand nombre de prolongements et communique avec le fœtus par le cordon ombilical. Chez… …   Encyclopédie Universelle

  • placentă — PLACÉNTĂ, placente, s.f. 1. (anat.) Organ musculos şi spongios care se formează în perioada de gestaţie la majoritatea mamiferelor şi care face legătura între mamă şi embrion, servind la nutriţia şi respiraţia acestuia, eliminându se la naştere;… …   Dicționar Român

  • placenta — f. anat. Órgano característico que mantiene unidos a la madre y su hijo durante el embarazo. Es una estructura altamente especializada que permite efectuar el intercambio de nutrientes y gases entre ambos y actúa como glándula endocrina. La… …   Diccionario médico

  • placenta — (Del lat. placenta, torta). 1. f. Órgano intermediario durante la gestación entre la madre y el feto, que se adhiere a la superficie interior del útero y del que nace el cordón umbilical. 2. Bot. Parte vascular del fruto a la que están unidos los …   Diccionario de la lengua española

  • placenta — (n.) 1670s, from Mod.L. placenta uterina uterine cake (so called 16c. by Italian anatomist Realdo Colombo), from L. placenta flat cake, from Gk. plakoenta, accusative of plakoeis flat, related to plax anything flat, from PIE *plak , extended form …   Etymology dictionary

  • Placenta — Pla*cen ta, n.; pl. L. {Placent[ae]}, E. {Placentas}. [L., a cake, Gr. ? a flat cake, from ? flat, fr. ?, ?, anything flat and broad.] 1. (Anat.) The vascular appendage which connects the fetus with the parent, and is cast off in parturition with …   The Collaborative International Dictionary of English

  • PLACENTA — an a placo, quod eâ solerent Antiqui Deos placere; an a placeo? Graece πλακόεις, an a πλὰξ, κὸς, quod in tabulam extenderetur? Certe, sicut ditiores hostiis animalium Deorum numina sibi propitia reddere satagebant, ita egenos, Placentis hâc fini… …   Hofmann J. Lexicon universale

  • placenta — plàcēnta (placȅnta) ž <G mn enātā/ ī> DEFINICIJA 1. anat. organ čija je funkcija razmjena tvari između organizma majke i organizma ploda, i uz to je i djelotvorna žlijezda s unutarnjim lučenjem, nakon poroda se odbacuje; posteljica,… …   Hrvatski jezični portal

  • placenta — placentà dkt. Placentà su vai̇̃siumi jùngiasi virkštelè …   Bendrinės lietuvių kalbos žodyno antraštynas

  • Placenta — statusas T sritis gyvūnų raida, augimas, ontogenezė, embriologija atitikmenys: lot. Placenta ryšiai: platesnis terminas – placentos susidarymas …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”