Endocrine Systems Flashcards
what consists of glands that produce chemical hormones
Endocrine System
these chemical messengers that are produced in the endocrine systems are called
hormones
glands that secrete material in tubules or ducts (such as sweat and salivary glands) are known as
exocrine glands
what area is very receptive to hormones
target areas
what it is called when many hormones regulate the internal environment of the body in a homeostatic response
negative feedback loop
secretes both stimulating and inhibitory hormones and has a major role in controlling endocrine functions
hypothalamus
develops from the diencephalon of the brain and it also resembles a pine nut
pineal gland
what hormone does the pineal gland secretes?
melatonin
it inhibits the release of hormones in the hypothalamus that stimulate the production of sex hormones and it is also regulates circadian rhythms
melatonin
what do you call when the pituitary gland is suspended from the base of the brain by a stalk?
infundibulum
it stimulates the thyroid gland to produce thyroid hormones
thyroid stimulating hormone (TSH)
it promotes the growth of most of the cells and tissues of the body
growth hormone (GH)
it stimulates mammary glands to produce milk
prolactin
they are hormones that stimulate the growth and control function of the ovaries and testes
gonadotropins
there are two types of gonadotropins, what are they and define them
follicle-stimulating hormone and luteinizing hormone, they stimulate the production of sex cells in the ovaries and testes
controls hormone production in the adrenal cortex
Adrenocorticotropin
the neurohypophysis is composed of what tissue that originated from the base of the brain
nervous tissue
what hormones does the anterior pituitary produce?
TSH
GH
LTH
FSH
LH
ACTH
Gonadrotropins
what is another word for thyroid-stimulating hormone (TSH)?
thyrotropin
what is another word for growth hormone (GH)?
somatotropin
what is another word for Prolactin?
luteotropin
what is the meaning of the acronym (FSH)?
follicle-stimulating hormone
what is the meaning of the acronym (LH)?
luteinizing hormone
what is the meaning of the acronym (ACTH)?
Adrenocorticotropin
what stimulates the reabsorption and retention of water by the kidneys?
Antidiuretic hormone
stimulates the contraction of the cells of the mammary glands to release milk
Oxytocin
the anterior pituitary can be divided into three parts, what are they?
par tuberalis, par intermedia, par distalis
a storage of molecules consisting of many thyroid molecules
colloid
thyroid gland secretes three types of specific hormones, what are they?
(T3) triiodothyronine, (T4) tetraiodothyronine and calcitonin
these hormones increase basal metabolic rates
T3 and T4
causes the deposition of calcium in bone by decreasing osteoclast activity
calcitonin
what is another word for parathyroid hormone (PTH)?
parathormone
the posterior portion of the thyroid are typically two pairs of organs called the?
parathyroid glands
responsible for increasing the blood calcium levels
parathyroid hormone
what hormone causes the maturation of the T cells?
thymosin
is a mixed gland that has an exocrine function and an endocrine function?
pancreas
what hormones secretes out of pancreas endocrine function?
insulin and glucagon
what happens when blood glucose levels drop?
glucagon converts glycogen to glucose
what hormone inhibits insulin and glucagon?
somatostatin
composed of the cortex and an inner medulla that is located superior to the kidneys?
adrenal glands
what hormones are secreted from the adrenal cortex called?
corticosteroid hormones
hormones that are important in water and electrolyte balance
corticosteroid hormones
a cluster of cells that secrete mineralocorticoids
zona glomerulosa
consists of parallel bundles of cells that secrete glucocorticoids
zona fasciculata
consists of a branched pattern of cells that produce both glucocorticoids and sex hormones
zona reticularis
what hormones does the zona fasciculata produce?
glucocorticoids
what hormones does the zona glomerulosa produce?
mineralocorticoids
what hormones does the zona reticularis produce?
glucocorticoids and sex hormones
what are types of sex hormones?
androgens and estrogens
two hormones that are produced in the adrenal medulla are?
epinephrine and norepinephrine
what are gonads?
testes and ovaries that produce sex hormones
what hormone produces from the testes?
testosterone
what hormone produces from the ovaries?
estrogen and progesterone
melatonin is secreted by which gland?
Pineal gland
what specific part of which gland is ADH stored?
Posterior Pituitary
what does glucagon do as a hormone, and where is it produced?
Glucagon increases blood glucose levels and it is produced in the pancreas
what is the primary gland that secretes epinephrine?
Adrenal Glands
where is growth hormone produced?
Anterior Pituitary
what connects two lobes of the thyroid gland?
medial isthmus
does parathormone increase or decrease calcium levels int he blood?
increase