👉 Spirochaetes are a group of organisms that have a single cell with two nuclei, which are called mitochondria. These cells can be found in various places on the body, including the brain and spinal cord, as well as in some types of fungi like Ascomycota. The term "spirochaeteles" comes from the Greek word "sphero-," meaning "spiral," and "chetele," which is a Latin word meaning "cell." The specific