. . Liquid Nerves . .

Look at the color merge in the middle of the drop, to me it looks like nerves connected to each other.

 

A photo from the archive, just wanted to upload something because nowadays I don't have time to shoot photos because of exams : (

 

Better to look at the larger size:

farm3.static.flickr.com/2389/2418007243_e52b18c7cc_o.jpg

 

Nikon D200

50mm f/1.8D

Done