Entoderm is a term that refers to a layer of cells in the early development of an embryo. Synonyms for entoderm include endoderm, endoblast, and hypoblast. These different words all describe the same layer of cells that will eventually form the digestive and respiratory systems of the organism. The term entoderm is commonly used in embryology and developmental biology, as it is essential to understanding the growth and formation of an organism. Using synonyms for entoderm can help researchers and students better understand the topic and communicate more effectively about their work.