pla|cen|ta

pla|cen|ta
pla|cen|ta «pluh SEHN tuh», noun, plural -tae «-tee», -tas.
1. the organ by which the fetus is attached to the inner wall of the uterus and nourished: »

Until the moment of birth a developing baby is entirely dependent upon the placenta (Scientific American).

2. the tissue of the ovary of flowering plants to which the ovules are attached, usually the enlarged or modified margins of the carpellary leaves.
3. a structure that bears the sporangia in ferns.
╂[< New Latin placenta (uterina) (uterine) cake < Latin placenta flat cake < Greek plakoûs, -oûntos placenta; flat seed of the mallow, short for plakóeis flat < pláx, plakós flat surface]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • pla|cen|tal — «pluh SEHN tuhl», adjective, noun. –adj. 1. of or having to do with the placenta. 2. having a placenta. –n. a placental mammal …   Useful english dictionary

  • pla|cen|tate — «pluh SEHN tayt», adjective. = placental. (Cf. ↑placental) …   Useful english dictionary

  • pla|cen|ti|form — «pluh SEHN tuh frm», adjective. having the form of a placenta …   Useful english dictionary

  • pla·cen·ta — …   Useful english dictionary

  • a|pla|cen|tal — «AY pluh SEHN tuhl, AP luh », adjective. Zoology. having no placenta, as monotremes and marsupials. ╂[< a 4 not + placental] …   Useful english dictionary

  • com|pla|cen|cy — «kuhm PLAY suhn see», noun. 1. the fact or state of being pleased with oneself or what one has; self satisfaction: »She solved the puzzle easily and smiled with complacency. ... that entire complacency and satisfaction which beam in the… …   Useful english dictionary

  • fe|to-pla|cen|tal — «FEE tuh pluh SEHN tuhl», adjective. of the fetus and placenta: »the feto placental unit …   Useful english dictionary

  • im|pla|cen|tal — «IHM pluh SEHN tuhl», adjective, noun. –adj. (of lower mammals) having no placenta. –n. an implacental animal …   Useful english dictionary

  • self-com|pla|cen|cy — «SEHLF kuhm PLAY suhn see», noun. the condition of being self satisfied; complacency …   Useful english dictionary

  • cen — cen·tri·cae; cen·tri·cal; cen·tric·i·ty; cen·trif·u·gal·i·za·tion; cen·trif·u·gal·ize; cen·trif·u·gal·ly; cen·trif·u·ga·tion; cen·trif·u·gence; cen·tring; cen·tri·ole; cen·trip·e·tal; cen·trip·e·tal·ism; cen·trip·e·tal·ly; cen·tris·ci·dae;… …   English syllables

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