Eeeeewwww, a worms insides…

3D Model of worm that can also be used to see it’s insides

  1. This 3D worm is brought to you by openworm: http://www.openworm.org/
  2. for those of you that are serious scientists, programmers, and specialists that want the all the squishy facts: the Caenorhabditis elegans (unsegmented, 1 mm, transparent worms) and are very useful to science.
  3. This is the main index for openworm: http://www.openworm.org/index.html
  4. If you want to contribute to this open source project: http://www.openworm.org/index.html#/getstarted
  5. Do you have programming skills?
    1. Introduction to project: http://code.google.com/p/openworm/wiki/Rationale
    2. Source Code Intro: http://code.google.com/p/openworm/wiki/SourceCodeIntro
A worms insides picture

Eeeeeww… A worms insides. Click here for open worm browser so see a worms insides.

The unrelated source of the above picture is http://www.sas.upenn.edu/~rlenet/Earthworms.html.

The above picture links you to the open worm browser: http://browser.openworm.org/ and you can use a slider to reveal all its icky insides or the mouse to make it rotate and zoom. ohhhh that’s gross…

The virtual worm based project can also be found here: http://caltech.wormbase.org/virtualworm/.

Introduction to the C.Elegans (technically a “Roundworm” or “Nematode”)

Eeeeek! a 1 mm transparent computerized 3D model of a worm! help! help!

Shortened link to video: Introduction to the C.Elegans (1 mm worm: called a roundworm or Nematode) : http://youtu.be/zjqLwPgLnV0

Caenorhabditis elegans (worms)

This is a video that explains why the 1 mm unsegmented worm called Caenorhabditis elegans (worms) are so interesting and important to science

Shortened link to video: Caenorhabditis elegans (unsegmented, 1 mm, transparent worms) are useful for science : http://youtu.be/D8zaz2MiKvw.

Ode to the Brain! by Symphony of Science

Shortened link to video: Ode to the Brain! by Symphony of Science : http://youtu.be/JB7jSFeVz1U #AI #programmers

Notes from UNIVERSITY OF PENNSYLVANIA, and the source of that EEEeeeeeekkkkkkk Earthworm picture.

  • Earthworms aerates the soil and its wastes are can be used by plants
  • Earthworms have a segmented body that is made up of 100-150 ring like structures
  • The segmentation is what helps the earthworm move
  • Small bristles or setae on each segment help the earthworm move through the soil and hold onto the ground
  • Each segment contains muscles that can contract and expand independently
  • They are classified as phylum Annelida or Annelids (little things)
  • Earthworms use tiny stones in their stomach to help digest food (soil and organic material)
  • Blood carries nutrients or wastes around the earthworms body
  • The earthworm does have a nerve chord and cerebral ganglia

Caenorhabditis elegans (unsegmented, 1 mm, transparent worms)

The actual Caenorhabditis elegans used here are unsegmented, 1 mm, transparent round worms (nematode) that are useful for science. Over 16,000 species of nematodes are parasitic (affecting plants, animals, and humans–and can influence behavior of “zombie” ants for example) and thus the word nematode and round worm does not give most people pleasant first thoughts. It should be noted that there are predatory nematodes that can be helpful to the garden.

However the Caenorhabditis elegans lives in the soil or in science labs. They prefer to eat bacteria, and nutrient rich stuff in the soil. They love things like compost heaps. These creatures no doubt perform some role in the web of life, but not much is known about them in their natural habitat–they are also affected by human made pollution. What is known, is they can hitch rides on “invertebrates including millipedes, insects, isopods, and gastropods” and will get off if food becomes available. They will also feed on the creature that transports them if it dies, or it is assumed, they find a dead creature. During overcrowding or food shortages they can enter a state of stasis. One might conclude that Caenorhabditis elegans are involved in the decay process and are only predators of small things like bacteria.

Of interest: Caenorhabditis elegans survived the space shuttle disaster and NASA is quite interested in them: http://weboflife.nasa.gov/celegans/questionsshow.htm

Again for those of a technical or programming fondness. The thing worked on here is a model and the author’s quick look over the information has got two results that could cause problems with the project: that Caenorhabditis elegans are unsegmented and previous models of Caenorhabditis elegans were based on segmentation.

In the video that was here: the C.elegans was modeled using segmentation (remember in real life they are not segmented). So what is wrong with using a segmented model?

A mutant roller version of the C.elegans for example might not be compatible with a segmented model: http://youtu.be/V8p62xeI2Ec. Movement is often a important consideration in the study of this creature, so it’s a good idea to get is right. Movement of this creature can give away mental health, physical health, genetic defects, and even when the animal is under stress.

Since you might be working with the neural network of this worm, it is useful to find out what models are relevant about this worm from more then one source to make sure there is not a conflict that will cause trouble much later on in the project. This principal applies to many other things too–space craft have had failures because different (measurement) units were used as another example. If people of that experience level can make a mistake like that, your team could easily make such a mistake too!

Information source (above list) about earthworm: http://www.sas.upenn.edu/~rlenet/Earthworms.html
The original picture that was here (but is no longer) was sourced from: http://www.wormbase.org/

List of References (unless already listed above)

Shortened link to article: Eeeeewwww, a worm’s insides… [article]: http://wp.me/p10Tww-ZR #AI #programmer via @OpenWorm & @John_Idol

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2 Responses to Eeeeewwww, a worms insides…

  1. Thanks very much for the pointers! One clarification on worms. The OpenWorm browser is showing the anatomy of a C. elegans, which is about 1mm long (http://en.wikipedia.org/wiki/Caenorhabditis_elegans). These guys are really hard to see with the naked eye so they aren’t the same kinds of worms you see wriggling around in your garden. That’s probably something more like earth worms (http://en.wikipedia.org/wiki/Earthworm), which are many centimeters long. Working on an earth worm would be a much larger undertaking as they have much more than 1000 cells, and earth worms have significantly different anatomies. Just setting the record straight 🙂

    OpenWorm team

    • gharrhome says:

      Thanks, I wonder if I should re-lable the heading: Eeeeewwww, a round worms insides… that are about the size of those awful parasitic round worms that infect around 1 billion people world wide Eeeeewwwwww… Eeeeeewwwww… Eeeeeewwwwwww

      I will do some edits to reflect the information you have provided. Thanks and good luck with the project.

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