Look up: placenta

1. placenta
   n. In mammals, a tissue formed within the uterus through which nutrients are passed from the mother to the embryo (and later the fetus) and its wastes are removed; placental- n. (adj.) A mammal whose young form a placenta as they develop in the mother`s uterus.
   Found on http://www.ucmp.berkeley.edu/glossary/gl
   
   
2. Placenta
   The membrane, together with its accessories which covers the foetus in the uterus, that established communication including blood supply between mother and foetus. At birth the membrane is broken to release the offspring, and soon after, the umbilical cord which is integral with the placenta is detached from the umbilicus. Later, the placenta is detached from the inner surface of the uterus of the mother and is shed.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
3. placenta
   [n] - that part of the ovary of a flowering plant where the ovules form 2. [n] - the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. Placenta
   The organ that develops in the uterus during pregnancy and links the blood supplies of mother and baby
   Found on http://www.encyclo.co.uk/local/20415
   
   
5. placenta
   An organ which develops in the uterus during pregnancy, providing nutrients for the fetus and eliminating its waste products.It is also referred to as the afterbirth because it's delivered after the baby in a vaginal birth.
   Found on http://www.babycentre.co.uk/glossary/p/
   
   
6. Placenta
   Organ that grows in the womb during pregnancy. It connects the mother to the baby and transfers food and oxygen so the baby can develop. After birth, the placenta is pushed out of the womb.
   Found on http://www.cancerhelp.org.uk/utilities/g
   
   
7. Placenta
   Organ through which a fetus gets food and oxygen and gets rid of waste
   Found on http://www.makingsenseofhealth.org.uk/de
   
   
8. Placenta
   an organ formed in the uterus during pregnancy that links the blood of the mother to the blood of the foetus; provides the foetus with nutrients and removes waste
   Found on http://www.medichecks.com/glossary.cfm?l
   
   
9. Placenta
   A vascular organ formed in the uterus during pregnancy and which provides oxygen and nutients to the fetus.
   Found on http://www.gadsbywicks.co.uk/uploaded/38
   
   
10. Placenta
    Placenta: A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother to the fetus, and permits the release of carbon dioxide and waste products from the fetus. It is roughly disk-shaped, and at full term measures about seven inches in diameter and a b...
    Found on http://www.medterms.com/script/main/art.
    
    
11. Placenta
    Pla·cen'ta noun ; plural Latin Placentæ , English Placentas . [ Latin , a cake, Greek ... a flat cake, from ... flat, from ..., ..., anything flat and broad.] 1. (Anat.) The vascular appendage which connects the fetu...
    Found on http://www.encyclo.co.uk/webster/P/97
    
    
12. placenta
    <anatomy, obstetrics> An organ characteristic of true mammals during pregnancy, joining mother and offspring, providing endocrine secretion and selective exchange of soluble, but not particulate, blood borne substances through an apposition of uterine and trophoblastic vascularised parts. Acco...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
13. placenta
    noun the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
14. placenta
    noun that part of the ovary of a flowering plant where the ovules form
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
15. placenta
    (plә-sen´tә) pl. placentas, placen´tae an organ characteristic of true mammals during pregnancy, joining mother and embryo or fetus. Its major function is to allow diffusion of nutrients from the mother's blood into the fetus's blood and diffusion of waste products from the fetus back to the mother. Anatomica...
    Found on http://www.encyclo.co.uk/local/21001
    
    
16. Placenta
    • (n.) The part of a pistil or fruit to which the ovules or seeds are attached. • (n.) The vascular appendage which connects the fetus with the parent, and is cast off in parturition with the afterbirth.
    Found on http://thinkexist.com/dictionary/meaning
    
    
17. placenta
    in zoology, the vascular (supplied with blood vessels) organ in most mammals that unites the fetus to the uterus of the mother. It mediates the ... [26 related articles]
    Found on http://www.britannica.com/eb/a-z/p/74
    
    
18. placenta
    in botany, the surface of the carpel (highly modified leaf) to which the ovules (potential seeds) are attached. The placenta is usually located in a ... [1 related articles]
    Found on http://www.britannica.com/eb/a-z/p/74
    
    
19. placenta
    (L. 'a flat cake') an organ characteristic of true mammals during pregnancy, joining mother and offspring, providing endocrine secretion and selective exchange of soluble, but not particulate, blood-borne substances through an apposition of uterine and trophoblastic vascularized parts. According to ...
    Found on http://users.ugent.be/~rvdstich/eugloss/
    
    
20. placenta
    Type: Term Pronunciation: plă-sen′tă Definitions: 1. Fetomaternal organ of metabolic interchange between the embryo or fetus and mother. It has a portion of embryonic origin, derived from a highly developed area of the outermost embryonic membrane (chorion frondosum), and a maternal ...
    Found on http://www.medilexicon.com/medicaldictio
    
    
21. Placenta
    The placenta is the valuable, yet disposable, organ that joins the mother and fetus throughout the pregnancy. The placenta is joined to the mother by an umbilical cord that has two arteries and one vein. On average, it weighs approximately 500 grams and is a dark reddish/blue or maroon color. The placenta is usually disc-shaped and provides oxy...
    Found on http://www.pregnology.com/AZ/P/5
    
    
22. placenta
    placenta (plusen'tu) or afterbirth,organ that develops in the uterus during pregnancy. It is a unique characteristic of the higher (or placental) mammals. In humans it is a thick mass, about 7 in. (18 cm) in diameter, liberally supplied with blood vessels. The placenta is attached to the uterus,...
    Found on http://www.infoplease.com/ce6/sci/A08392
    
    
23. Placenta
    The placenta is formed from the chorionic villi, small finger-like projections that cover the outer cells of the blastocyst. After implantation of the fertilized ovum, the chorionic villi burrow into the lining of the uterus seeking nourishment; those which have penetrated deepest erode some of the ...
    Found on http://www.probertencyclopaedia.com/brow
    
    
24. placenta
    Click images to enlargeOrgan that attaches the developing embryo or fetus to the uterus (womb) in placental mammals (mammals other than marsupials, platypuses, and echidnas). Composed of maternal and embryonic tissue, it links the blood supply of the embryo to the blood supply of the mother, allowing the exchange of oxyge...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
25. Placenta
    A membranous vascular organ that develops in female 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..
    Found on http://www.apluspetgoods.com/petsupplies