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.
Duck plague, on the other hand, is a disease caused by the herpes virus and is one of the most highly contagious duck diseases there is. Infected birds are sluggish, have ruffled feathers and greenish-yellow diarrhea that are sometimes stained with blood.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.