Oct
29
2009

Diving into a Deer Stomach

Deer Rumen: Opening up a deer's rumen.
Deer Rumen: Opening up a deer's rumen.Courtesy Kirk Mona
Ever wondered what's inside the stomach of a deer? For those not afraid of some graphic photos, the Twin Cities Naturalist Blog. has posted photos and descriptions of the four parts of a deer's stomach. Here's a quick overview.

  • The Rumen is a fermentation and storage vat. Micro-organisms break down a lot of food in the Rumen so it can be absorbed by the deer but it does not physically break down the food with acid like a human stomach.
  • The Reticulum is basically a filter that allows small particles to pass to the Omasum.
  • The Omasum acts like a sponge that draws off excess water before food is passed to the next step.
  • The Abomasum works like your stomach to break down food with acid so nutrients can be absorbed.

You can see all the photos and read more at Twin Cities Naturalist.

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Your Comments, Thoughts, Questions, Ideas

Liza's picture
Liza says:

Oh, this is fascinating.

My four-year-old was looking over my shoulder as I read the blog post on TC Naturalist, and she was very intrigued.

Good work.

posted on Thu, 11/05/2009 - 1:44pm
Anonymous's picture
Anonymous says:

thanks this worked good for research

posted on Fri, 04/08/2011 - 8:40am

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