Thus, the function of ameloblasts changes from enamel production, as occurs in the secretory stage, to transportation of substances.

Beta cells (insulin secretory) and delta cells (somatostatin secretory) are found in the central part of the tail as with the rest of the pancreas.

In the group with symptoms, IgA antibodies to Blastocystis were detected in fecal specimens that were not present in the healthy control group.

These antibodies, known as immunoglobulin A (IgA), make up the immune defense system of human by preventing the growth of harmful microorganisms in the body and by neutralizing toxins secreted by these microorganisms.