The human endocrine system Flashcards
What is a stimulus
physical or chemical change in environment that requires a response from the organism
what is an endocrine gland
gland that transports hormones via blood to target
what is an exocrine gland
gland that transports hormones to target organs via a duct
what is a hormone
chemical messenger, protein
what is homeostasis
condition in which bodys internal environment ramins constant.
what are BG levels controlled by?
insulin and glucagon
ideal BG level
3.5-5.5
when does diabetes mellitus occur
when the BGL is elevated due to inadequate insulin secretion
symptoms of diabetes
excessive urination thirst dehydration weight loss blurry vision
5 symptoms of gangrene in diabetes
numbness discolouration of skin swelling and accute pain cracked skin discharge with smell from wound
what is the function of the thyroid gland
secretes thyroxin which regulates bodys metabolic rate.
what is goter
when there is a lack of iodine in diet and causes an elarged TG
symptoms of hyperthyroidism
protruding eyes insomnia weight loss hyperactivity irritability
symptoms of hypothyroidism
thick enlarges tongue in kids
corse skin and accumulation of body fluids in adults
name of hypothyroidism in adults
myxoedema