It reduces the size and secretion of the sebaceous glands. Retinoids reduce the amount of sebum produced by the sebaceous glands. There was also damage to the adrenal glands and pancreas. Androstenedione is produced in the adrenal glands and the gonads. It controls the mouthparts, the salivary glands and certain muscles. Other causes include certain medications, sepsis, and bleeding into both adrenal glands. This is then usually followed by painful swelling of one or both parotid salivary glands. The minor salivary glands should be examined. Histamine is a paracrine secretion from the enteroendocrine cells in the gastric glands. Food is moistened by saliva from the salivary glands (parasympathetic). Adenolipomas are lipomas associated with eccrine sweat glands. Females have also been observed with secretions from the temporal glands. This causes atrophy of the exocrine glands and progressive fibrosis. The tetrodotoxin is produced by bacteria in the salivary glands of the octopus. They are the largest of the salivary glands.