Biology: Endocrine system Flashcards
Is the endocrine system long term or short term
long term
What does the endocrine system act threw
hormones
what do the hormones influence
growth and developement
metabolic activities
What are the two major glands of the body
exocrine
endocrine
exocrine glands
no hormones
have ducts
carry secretory product to a surface
endocrine glands
no ducts
produce hormones
secreted into blood
What are examples of exocrine glands
sweat glands
mammary glands
ones that secrete digestive enzymes
What are two types of hormones
steroid
protein
steroid hormones
lipid carbon ring
pass through cell membrane
produced in adrenal gland and gonads
protein hormones
made of amino acids
don’t dissolve fats therefore don’t pass through membrane
exp. insulin
why is the pituitary gland referred to as the master gland
the hormones released from that gland control other endocrine glands
where is the pituitary gland located
base of brain
What controls the release of pituitary hormones
the stalk that links the pituitary to the hypothalamus
what are the two pituitary lobes
anterior lobe
posterior lobe
anterior lobe
thyroid stimulating hormone adrenocorticotrophic hormone growth hormone follicle stimulating hormone luteinizing hormone prolactin
thyroid stimulation hormone
stimulates the production and release of thyroxin from the thyroid gland
adrenocorticotrophic hormone
stimulates the production and release of hormones from the adrenal gland
follicle stimulating hormone
stimulates the development of egg in females and controls sperm production in males
luteinizing hormone
causes the release of an egg in female and controls the production of sex hormones in males and females
prolactin
stimulates secretion of milk after birth
What are the two major hormones of the posterior pituitary lobe
vasopressin
oxytocin
vasopressin
controls water balance in body
blood pressure
kidneys
(negative feed back loop)
oxytocin
small peptide hormone that stimulates uterine contractions during birth
(positive feed back loop)
hypothalamus
contains neurons that control releases from the anterior pituitary