The Plastic Brain

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Nice, but the guy has been snipped. Can we have natural anatomy?

Via jtotheizzoe:

Healthline has debuted the first 3-D interactive human body search tool. You can dig into all the structures of your body at the click of a mouse. Think of it, all the fun of medical school dissection, none of the blood or gross stuff!

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The left auricle is the perfect place to rest your head…or ear, even.

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You are beautiful, inside & out

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The heart has two ears or entrance halls, take your pick.

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fuckyeahneuroscience:

freshphotons:

Photomicrograph revealing the location of a transporter of serotonin (a widespread neurotransmitter) in areas of the cerebral cortex that process sensory information such as touch and hearing. Image: Lasani Wijetunge and Peter Kind, 2008.

& it’s tumblr tuesday! so if you’re inclined, you know what to do 🙂

These look like whisker barrels, though I didn’t know they were serotonergic. No wonder animals (and people) feel safe and relaxed when they are stroked.

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Throb, throb, throb.

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As a fan of the striatum, I’ve always thought of the internal capsule as a bit of a bastard for splitting it into the caudate and putamen – like putting an interstate freeway right through a lovely old suburb.

fuckyeahnervoussystem:

Coronal section – Anterior limb of internal capsule 

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To know why your brain in wrinkly, just look at your mum’s hips.

We all know that the brain has wrinkles. Why?

The system of inward (sucli) and outward (gyri) folds allow a larger cortex to be fitted into a constrained cranium. And the size of the cranium is limited by what size head can fit through the pelvic bone during birth.

In the image above, the upper section shows representations of brain activity on realistic models of the brain. But the areas deep in the sulci cannot be seen clearly. Therefore the lower images show the same activity maps on models of the same brains, as if they had been inflated. This not only shows the deeper areas that can be hidden, but also shows how much bigger the brain would need to be if the cortex wasn’t folded.

Edit: Want to read more on folding? Try this:

http://www.sciencedaily.com/releases/2010/11/101105085315.htm

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jtotheizzoe:

If all of my Tumblr followers wanted to band together and get me an Xmas present, this would be near the top of the list!

…but to be pedantic, maybe it should be a brain?

(Never mind me, I just always been a proponent of neurocentric love.)

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