1. 
   placental
   [adj] - of or having or occurring by means of a placenta 2. [n] - mammals having a placenta
   Found op http://www.webdictionary.co.uk/definition.php?query=placental
   
   
2. 
   Placental
   Placental: Pertaining to the placenta, the organ joining the mother and fetus during pregnancy.
   Found op http://www.medterms.com/script/main/art.html?articlekey=26067
   
   
3. 
   Placental
   Pla·cen'tal adjective 1. Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal. 2. (Zoology) Of or pertaining to the Placentalia.
   Found op http://www.encyclo.co.uk/webster/P/97
   
   
4. 
   Placental
   Pla·cen'tal noun (Zoology) One of the Placentalia.
   Found op http://www.encyclo.co.uk/webster/P/97
   
   
5. 
   placental
   1. Of or pertaining to the placenta; having, or characterised by having, a placenta; as, a placental mammal. ... 2. <zoology> Of or pertaining to the Placentalia. ... <zoology> One of the Placentalia. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?placental
   
   
6. 
   placental
   adjective pertaining to or having or occurring by means of a placenta; `all mammals except monotremes and marsupials are placental mammals`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=placental
   
   
7. 
   placental
   placental mammal noun mammals having a placenta; all mammals except monotremes and marsupials
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=placental
   
   
8. 
   Placental
   • (n.) One of the Placentalia. • (a.) Of or pertaining to the Placentalia. • (a.) Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal.
   Found op http://thinkexist.com/dictionary/meaning/placental/
   
   
9. 
   placental
   Type: Term Pronunciation: plă-sen′tăl Definitions: 1. Relating to the placenta.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=69239
   
   
10. 
    placental
    1) Transplacental
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/placental/1
    
    

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