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 common duck diseases is Duck Virus Hepatitis. It is a fatal disease that usually attacks ducklings that are about 1 to 28 days old. The reason why they are easily attacked by this disease is their vulnerability.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.
duck 1. n. 1. Any of various wild or domesticated waterbirds of the family Anatidae, characteristically having a broad flat bill, short legs, and webbed feet. 2. A female duck. 3. The flesh of a duck used as food., pl ducks or duck. 1. (Animals) any of various small aquatic birds of the family Anatidae, typically having short legs, webbed feet, and a broad blunt bill: order Anseriformes.