Extraembryonic Membranes

Animals!

Moderators: honeev, Leonid, amiradm, BioTeam

Post Reply
vlc1500
Garter
Garter
Posts: 23
Joined: Thu Dec 28, 2006 5:19 am

Extraembryonic Membranes

Post by vlc1500 » Fri Feb 16, 2007 6:00 pm

Extraembryonic Membranes are vital to the success of reptiles, birds, and mammals. How does this have any relation to the egg and the embryo?

User avatar
James
King Cobra
King Cobra
Posts: 552
Joined: Wed Feb 23, 2005 11:00 pm
Location: England

Post by James » Fri Feb 16, 2007 8:21 pm

Your question is odd. Do you know what an extraembryonic membrane is?

User avatar
dipjyoti
Coral
Coral
Posts: 142
Joined: Thu Sep 21, 2006 7:04 am
Location: CALCUTTA;INDIA

Re: Extraembryonic Membranes

Post by dipjyoti » Sat Feb 17, 2007 9:53 am

vlc1500 wrote:Extraembryonic Membranes are vital to the success of reptiles, birds, and mammals. How does this have any relation to the egg and the embryo?
. Mean?

Check http://users.rcn.com/jkimball.ma.ultran ... ranes.html to know on it.

vlc1500
Garter
Garter
Posts: 23
Joined: Thu Dec 28, 2006 5:19 am

Post by vlc1500 » Sat Feb 17, 2007 9:18 pm

ok this is what i meant to say........
Extraembryonic Membranes are vital to the success of reptiles, birds, and mammals. Discuss with respect to the egg and the embryo.

User avatar
dipjyoti
Coral
Coral
Posts: 142
Joined: Thu Sep 21, 2006 7:04 am
Location: CALCUTTA;INDIA

Post by dipjyoti » Sun Feb 18, 2007 11:05 am

Extraembryonic Membranes
The embryos of reptiles, birds, and mammals produce 4 extraembryonic membranes:

amnion
yolk sac
chorion, and
allantois
With these four membranes, the developing embryo is able to carry on essential metabolism while sealed within the egg. Surrounded by amniotic fluid, the embryo is kept as moist as a fish embryo in a pond.

vlc1500
Garter
Garter
Posts: 23
Joined: Thu Dec 28, 2006 5:19 am

Post by vlc1500 » Wed Mar 07, 2007 1:32 am

does anyone know exactly how the four membranes

amnion
yolk sac
chorion, and
allantois

work to protect the embryo and egg?

User avatar
Volvox
Garter
Garter
Posts: 16
Joined: Sun Jan 21, 2007 12:45 am
Location: Milwaukee, WI

Post by Volvox » Wed Mar 07, 2007 5:28 am

I could answer this for you easily, but I think that you should Google each first and draw your own conclusions. Once you post them here, I will help you.

Post Reply

Who is online

Users browsing this forum: No registered users and 3 guests