Trichilemmal cyst Trichilemmal cyst A trichilemmal cyst, also known as a wen, pilar cyst or isthmus-catagen cyst, is a common cyst that forms from a hair follicle. They are most often found on the scalp. The cysts are smooth, mobile and filled with keratin, a protein component found in hair, nails, skin, and horns. They are, however, clinically and histologically distinct from trichilemmal horns, which are much more rare and not limited to the scalp. Trichilemmal cysts may run in families and they may or may not be inflamed and tender, often depending on whether they have ruptured. Rarely, these cysts may
Nine Inch Nails Nine Inch Nails. However, Reznor typically forms a backing group of musicians to perform the songs in a live setting. This live band, also known as Nine Inch Nails, rearranges the band's studio catalog and creates a different sound than that of Reznor's studio recordings. Band members have occasionally been invited to participate in the recording process, but creative control within the studio has always been exclusively with Reznor. The Tapeworm project was created in 1995 as a Nine Inch Nails side-project between Reznor and various live-band members as a more "democratic" creative environment. The band initially included live band