Insulin and glucagon are hormones secreted by islet cells within the pancreas. They are both secreted in response to blood sugar levels, but in opposite fashion! Insulin is normally secreted by the beta cells (a type of islet cell) of the pancreas.
By Mayo Clinic Staff. Sjogren's (SHOW-grins) syndrome is a disorder of your immune system identified by its two most common symptoms â dry eyes and a dry mouth. Sjogren's syndrome often accompanies other immune system disorders, such as rheumatoid arthritis and lupus. In Sjogren's syndrome, the mucous membranes and moisture-secreting glands of your eyes and mouth are usually affected first â resulting in decreased production of tears and saliva.
Sicca symptoms (dry eyes and dry mouth) Although dry eyes and dry mouth are the most common symptoms in patients with SjÃ¶gren syndrome, most patients who report these symptoms have other underlying causes. The incidence of sicca symptoms increases with age. Indeed, more than one third of elderly persons have sicca symptoms.