👉 In the context of biology, entohalins are a group of proteins that play a role in regulating the immune response. They include the immunoglobulins (IgA and IgE) and the complement proteins (C1q, C4a, C5b-9). These proteins serve as messengers between the body's tissues and organs, helping to maintain homeostasis by fighting off pathogens and other threats that might otherwise be harmful.