Rete Mirabile by Betsy  Seeton
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Geese feet are called feet. There isn’t a special name. Geese have a heat exchange mechanism for the feet called a rete mirabile.

A rete mirabile (Latin for ‘wonderful net’; plural retia mirabilia) is a complex of arteries and veins lying very close to each other, found in some vertebrates. The rete mirabile utilizes countercurrent blood flow within the net (blood flowing in opposite directions). It exchanges heat, ions, or gases between vessel walls so that the two bloodstreams within the rete maintain a gradient with respect to temperature, or concentration of gases or solutes. This term was coined by Galen.

Re: Galen
Aelius Galenus or Claudius Galenus (AD 129–c. 200/c. 216), better known as Galen of Pergamon (modern-day Bergama, Turkey), was a prominent Roman (of Greek ethnicity) physician, surgeon and philosopher.

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goose foot, goose

“If we are to teach compassion for all life in this world, and if we are to carry on a real campaign against cruelty, and against the destruction of our environment, we have to begin with reaching children.” ~ Betsy Seeton

My company, FOR ALL THE ANIMALS, hires children from around the world to write, blog, research, and investigate animal and nature related topics. We also hire children artists and filmmakers.

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Comments

  • canonman99
    canonman99about 2 years ago

    an interesting web of events

  • Larry Trupp
    Larry Truppabout 2 years ago

    Very nice capture


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