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26 Cards in this Set

  • Front
  • Back
Endocrine system
puppetmaster of the body; composed of exocrine and endocrine glands that secrete hormones that control every single process that occurs in the body
endocrine gland
releases products directly into the blood
exocrine gland
secretes into a duct
molecule released in one part of the body that regulates an action in another part of the body
target areas
the location that the hormone acts upon
hormonal effects
the resulting alteration that occurs form the presence of the hormone on a target area
the master gland; located just superior to the pituitary, produces regulatory hormones tha ttell other glands to release their hormones
pituitary glnad
located at the base of the brain in the sella turcica of the sphenoid bone; connected to the hypothalamus by a stalk called the infundibulum
hypothalmo-hypophyseal portal system
vascular connection allowing form direct blood flow form the hypothalamus to the pituitary
two lobes of pituitary
adenohypophysis (anterior)
neurohypophysis (posterior)
pineal gland
located in the center of the brain
thyroid gland
located in the throat; has two lobes connected anterior medially by and isthmus
follicular cells
in thyroid; rings of cells that form a follicle; the lumen of chich is filled with colloid
parafollicular cells
in thyroid; located between the follicles
parathyroid glands
four small gland located on the posterior surface of the thyroid
chief cells
most abundant parathyroid cells
thymus gland
located behind the sternum between the lungs, decreses in size with age
islets of Langerhans contains 4 types of hormone secreting cells: alpha, beta, delta, and f cells
adrenal gland
located just superior to the kidney; pyramid shaped
adrenal cortex
subdivided into three zones (zona glomerulosa, zona fasciculata, zona reticularis) each producing a specific hormone
adrenal medulla
inner region of the adrenal gland; affect the symphathetic division of the autonomic nervous system during stress; deal with fight or flight mechanism
chromaffin cells
in adrenal medulla; produce two hormones: adrenaline and noradrenaline
located in different places according to sex
located in the male scrotum; releases sperm
located in the female pelvic cavity; release a mature ovum
hormones that regulate the menstrual cycle
estrogens, progesterone, LH, and FSH