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. inflammation of the peritoneum. The cause may be infectious or chemical. Typical signs are rigidity and pain on palpation of the abdominal wall, absence of feces, severe toxemia and fever. In horses there is a mild colic and in dogs and cats there is often effusion.