In vertebrates, skeletal muscle contractions are neurogenic as they require synaptic input from motor neurons to produce muscle contractions. A single motor neuron is able to innervate multiple muscle fibers, thereby causing the fibers to contract at the same time.
periostitis. n. 1. (Anatomy) inflammation of the periosteum.
Peritonitis is an inflammation of the peritoneum, the thin membrane that lines the abdominal wall and covers the organs inside. It is caused by a bacterial or fungal infection.