Not sure if I'm alone on this one, but I noticed that where I have lesions is where I grow the most hair: scalp (outer edges mostly), eyebrows, arms, legs (always the front side of my body and very few to the back which means it follows the nerves in the body also find the glands can be concentrated with things emitting from the skin even though I don't always get the lesions there. When I pluck the hairs out they grow back instantly. When I shave, it can take several days for them to grow back and it reduces the lesions. My face which has cleared up substantially for some reason outside of the eyebrows and hairline where I am still stuggling. Also arms have been a beast since I can not always shave when the lesions are really bad. The shaving seems to hinder them. The fibers seem to be necessary for their survival. Hair follicles are definitely a big part of this and the bloodstream seems to carry it throughout the body. What I'm most concerned with is the sensitivity that starts in later within the bones and joints.
Thought you might be interested in this video which shows the whole process of how they evolve through the spores to the fibers, Pamela Mae is doing some good work on her site; although I got the one over... I do support most of what she does:
(click on the video "What is Morgellons?" Probably one of the best videos I've seen so far on this.