Central sulcus of the human brain. Gray's FIG. 726â Lateral surface of left cerebral hemisphere, viewed from the side. The central sulcus is a fold in the cerebral cortex of brains in vertebrates. Also called the central fissure, it was originally called the fissure of Rolando or the Rolandic fissure.
One of the most troublesome duck diseases is fowl cholera. This disease is caused by a bacterium called Pasteurella multocida and is often associated with poor sanitation. The symptoms include diarrhea, mucous discharges and loss of appetite.The liver also enlarges and becomes friable.ne of the most troublesome duck diseases is fowl cholera. This disease is caused by a bacterium called Pasteurella multocida and is often associated with poor sanitation. The symptoms include diarrhea, mucous discharges and loss of appetite.
(July 2014). Psittacosis â also known as parrot fever, and ornithosis â is a zoonotic infectious disease caused by a bacterium called Chlamydia psittaci and contracted from parrots, such as macaws, cockatiels and budgerigars, and pigeons, sparrows, ducks, hens, gulls and many other species of bird.he incidence of infection in canaries and finches is believed to be lower than in psittacine birds. In certain contexts, the word psittacosis is used when the disease is carried by any species of bird belonging to the Psittacidae family, whereas ornithosis is used when other birds carry the disease.