The image shows a detailed close-up of a complex, iridescent network resembling a neural network or intricate biological structure. The structure is composed of thin, interconnected strands forming a delicate, almost lacy, pattern with numerous nodes or bulbs along its length. These nodes exhibit a pearlescent quality, shimmering with shades of teal, purple, and pink. The background is a soft, diffused pastel palette of blues and oranges. Write a detailed description of the given image.