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cornsnake anatomy?

J

JaketheTick

New member
In a female, do the fertilized eggs develop in the, well i guess uterus seperate, or is there like a sac around the eggs like in mammals...and are all the eggs in one sac? Was just curious..i just had puppies, and my snakes are close to laying...and ive never notice anything like the afterbirth or whatever you call it after the snakes lay as mammals do...

oh...and i would post a pic of my adorable jack russell puppy, but i dont think rich would consider that appropriate material...?
 
Corn snake eggs are formed in the snake's uterus and do not have a sac around them (afterbirth) which, in mammals, attaches the growing fetus to the uterine wall. Even live-bearing snakes, such as my red-tail boas, don't have an afterbirth like mammals. They don't have the hard, rubbery shell, just a thin, clear membrane that the babies break out of when they are born.
 
IIRC, the "afterbirth" in mammals is the placenta, which in corns is inside the egg. The umbilical cord attaches to the snake on one end, and the "placenta" on the other end.

(Whatever it is, it's massive. It looks like a big pink liver, and has tons of blood vessels, etc. I assume it exchanges oxygen and moisture and whatever else with the outside world via the blood vessels that run around the inside of the eggshell.)

I'm still curious about the mechanics behind how hatchlings ingest the egg contents before they hatch. It has to be a fascinating process. :)
 
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