S islet size is seen smaller , scattered separately , mainly composed of a cells whose cell plasma is stained red
Notes : b cells release insulin to push blood sugar down , a cells release glucagon to elevate blood sugar
Purposes : enhancement of insulin secretion from the islet b cells is a principal goal for treatment of patients with type 2 diabetes . some gastrointestinal hormones are associated with insulin secretion
May also inhibit the hyperfunctions of islet a cells notably , thereby impel them to be atrophic and disappear , so as to reduce the volume of glucagon produced . such a miraculous change promotes the balancing of pancreas functions and hence returns the blood sugar to normal
As once a cells are in hyperfunction and glucagon is increased , a series of symptoms of heat due to yang excess will appear , including excess thirst , frequent drinking and eating , easy hunger , more urine , getting thinner , constipation , reddened urine , dark reddened tongue , yellowish dry and prickle coating on the tongue , quick pulse , etc
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