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.
1 Sicca Syndrome: WHAT: Keratoconjunctivitis sicca. 2  Keratoconjunctivitis Sicca (KCS): an eye condition in which there is decreased tear production and inflammation of the cornea and conjunctiva. 3  WHY: Keratoconjunctivitis sicca is found in a significant number of patients with rheumatoid arthritis. KCS plus xerostomia is called the sicca syndrome. 2  The association of the sicca syndrome with rheumatoid arthritis is known as Sjogren's syndrome. 3  HOW: Clinically, patients with KCS may present with itching, burning eyes.