Dictionary » P » Placental

Placental

placental

1. Of or pertaining to the placenta; having, or characterised by having, a placenta; as, a placental mammal.

2. (Science: zoology) Of or pertaining to the placentalia.

(Science: zoology) One of the placentalia.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Re: Marsupials as Larvae

... and dolphins- too, have parasitic fishes in their slits), in order to live and feed there? How have they erased parent species? It is known placental mammals feed through their navel cord. The mentioned parasites got attached to it and they sucked food saps. And when the navel cord got disintegrated, ...

See entire post
by enarees
Fri Jul 16, 2010 3:59 pm
 
Forum: Evolution
Topic: Marsupials as Larvae
Replies: 2
Views: 3470

Re: H2O +Food ---> Zygote

oh no i am talking about a placental animal, but it (food and oxygen) would pass through (from outside the body) to reach a cell in a egg. the process it goes to. like for example (this is totally false btw): we swallow oxygen through ...

See entire post
by princevisram
Mon Jun 21, 2010 1:13 am
 
Forum: Cell Biology
Topic: H2O +Food ---> Zygote
Replies: 7
Views: 4368

H2O +Food ---> Zygote

If the zygote is not from a placental mammal, then it is the egg yolk that supplies the nutrients to the fertilized egg. But actually nutrients for the zygote is all contained in the fertilized egg cell till the blastocyst stage (the cell ...

See entire post
by kolean
Sun Jun 20, 2010 11:26 pm
 
Forum: Cell Biology
Topic: H2O +Food ---> Zygote
Replies: 7
Views: 4368

Re: Cytokine - Receptor concepts

... the complement activation), IgG and it subclasses ( acts in Fc receptor-dependent phagocyte responses, complement activation, neonatal immunity or placental transfer), IgE (acts in immunity against helminthes (worms), mast cell degranulation or immediate hypersensitivity) and IgA (acts in mucosal ...

See entire post
by marla
Tue Jun 01, 2010 9:08 pm
 
Forum: Cell Biology
Topic: Cytokine - Receptor concepts
Replies: 7
Views: 14565

Some questions on evolution...

... may have helped diversity, but it's not the distinguishing characteristic of the group. Asking why they showed up late is kind of like asking why placental mammals showed up late - they couldn't "show up" until the right trail of mutations led to their style of reproduction, but the ...

See entire post
by Darby
Sun May 02, 2010 4:52 pm
 
Forum: Evolution
Topic: Some questions on evolution...
Replies: 6
Views: 3177
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 3,823 times. 
What links here | Related changes | Permanent link