Visceral layers refer to the layers of tissue that surround the organs within the body. These layers are essential for protecting our organs, and maintaining their functionality. There are a number of synonyms that can be used to describe these layers, depending on the context in which they are being used. Some of the most common synonyms include visceral pleura, visceral peritoneum, and visceral fascia. Other synonyms include serous membrane, mesothelium, and peritoneal sac. Each of these synonyms helps to highlight a different aspect of the visceral layers, and can be used to add nuance and depth to medical descriptions and discussions.