What Do Pharyngeal Pouches Develop Into In Fish?
What Do Pharyngeal Pouches Develop Into In Fish? The lateral pockets of the pharyngeal cavity, called the pharyngeal pouches, perforate the mesodermal layer, reach the ectoderm, and break through to form pharyngeal, or gill, clefts. In fishes and larvae of amphibians, these clefts develop gills and become respiratory organs. What do pharyngeal pouches become? The