Day 2209: Arghh! Paper cut!

Gianna: paper collage & marker shoe laces

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Picture a heavy fancy paper envelope.

You slide you finger underneath the fold to open.

You slide along till you come to a stop

readjusting the finger position to proceed and

promptly feel pain, the dreaded paper cut.

Instant sharp pain, then gone and an urgent reach 

for a Kleenex to stop the blood.

Then you hunt for a band aid.

And then it's over. A mini happening.

My version above, or the TMI of it ...

 “The Human Brain Book,” edited by Rita Carter, 

the human hand has approximately four major types of receptors: pain receptors, pressure/texture receptors, temperature receptors and proprioceptors (receptors that coordinate where the body is in space). These receptors are highly sensitive to many forms 

of sensation, making our fingers especially susceptible to discomfort, aching or soreness.

When a finger is cut, the receptors in that area are exposed, the pain receptors continually fire signals to the brain. The pain subsides when the body produces enough cells to rebuild the affected skin.

One of the main reasons paper cuts hurt more is due to the fact that paper has a serrated edge. Paper appears as though it would slice the skin with one clean sweep. However, when examined under a microscope, paper has a rather jagged edge, which cuts the skin unevenly. A laceration from a serrated edge requires an extended healing time, compared to one caused by an even blade or knife.

A smile for Monday ...