This page discusses the interaction between antibodies and antigens, crucial for activating the complement system, which consists of about 30 proteins that aid immune responses. The classical pathway ...This page discusses the interaction between antibodies and antigens, crucial for activating the complement system, which consists of about 30 proteins that aid immune responses. The classical pathway starts with antibody binding, activating C1 and forming C3 convertase. The alternative pathway activates complement without antibodies.
This page discusses the thyroid gland's role in hormone production, including T4, T3, and calcitonin, which regulate metabolism and calcium levels. It highlights the effects of hypothyroidism and hype...This page discusses the thyroid gland's role in hormone production, including T4, T3, and calcitonin, which regulate metabolism and calcium levels. It highlights the effects of hypothyroidism and hyperthyroidism, including associated disorders like cretinism, myxedema, and Graves' disease. Furthermore, it covers the parathyroid glands and their secretion of PTH, which increases blood calcium.
