The hypodermis is the innermost and thickest layer of the skin. It invaginates into the dermis and is attached to the latter, immediately above it, by collagen and elastin fibres. It is essentially composed of a type of cells specialised in accumulating and storing fats, known as adipocytes.
Fatal familial insomnia Fatal familial insomnia (FFI) is a very rare, autosomal dominant inherited, disease of the brain. It is caused by a mutation in a protein called prion protein (PrP): asparagine-178 is replaced by aspartic acid.
Definition of insomnia....me! Inability to sleep, either difficulty getting to sleep, waking lots during the night or waking up too early in the morning.Insomnia comes in three different forms: Transient insomnia-lasting for a few nights. Short-term insomnia-two to four weeks of poor sleep.efinition of insomnia....me! Inability to sleep, either difficulty getting to sleep, waking lots during the night or waking up too early in the morning. Insomnia comes in three different forms: Transient insomnia-lasting for a few nights. Short-term insomnia-two to four weeks of poor sleep.