I secrete jokes like the pancreas secretes. The anterior pituitary synthesizes and secretes hormones. Adipose tissue also secretes the hormone leptin. Adipose tissue secretes the hormone leptin, and leptin suppresses appetite. Hyperpituitarism is the condition where the pituitary secretes excessive amounts of hormones. During this stage, the pituitary gland secretes follicle-stimulating hormone (FSH). It is also an endocrine gland because of the various hormones that it secretes. In response, the pineal secretes the hormone melatonin. The pancreas also secretes VIP and pancreatic polypeptide. Human skin also secretes sebum, which is toxic to most microorganisms. Human saliva is rich in amylase, and the pancreas also secretes the enzyme. It is typically an adenocarcinoma (a cancer that forms glands or secretes mucin). The caterpillars have a gland which secretes honeydew when the ants massage them. The surrounding tissue secretes mucus normally but builds up and becomes distended. Anal gland secretes lymphal discharge and built up fecal matter from the colon lining.