Hypothalamus, Pituitary Gland, and Adrenal Medulla

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Can you name the HYTQ concepts?

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QuestionAnswer
what enzyme catalyzes the conversion of tyrosine to L Dopa?
2 hormones of the posterior pituitary
oxytocin predominantly comes from which nucleus of the hypothalamus?
this hormone is secreted from the post. pituitary in response to a increase in plasma osmolality or a decrease in blood volume
True or False: TSH, FH, and LH are peptide hormones.
Which two proteins released by the anterior pituitary are peptide hormones?
catalyzes the conversion of dopamine to norepinephrine?
The Beta class of adrenergic receptors acts to _____ cAMP levels
the effect of ADH on blood vessels
under periods of stress, which hormone can stimulate the release of adrenocorticotropin hormone (ACTH)?
The hormone that stimulates the release of growth hormone from the anterior pituitary comes from the _____ nucleus of the hypothalamus.
The hormones released by neurons of the hypothalamus act on trophes or endocrine cells of the anterior or posterior pituitary?
True or False: The parvocellular neurons of the hypothalamic nuclei release releasing or inhibiting hormones in the circulation at the median eminence.
2 major sites of action for oxytocin
Hormone that stimulates the release of growth hormone
which hormone stimulates the release of TSH(mostly) and prolactin from the anterior pituitary?
This adrenergic receptor acts to increase phosphoinositide
thyrotrophs synthesize what hormone?
catalyzes the conversion of norepinephrine to epinephrine?
This adrenergic receptor acts to decrease cAMP levels
hormone that inhibits the release of growth hormone
which two enzymes act to metabolize epinephrine and norepinephrine?
most abundant endocrine cell in the anterior pituitary
this hormone is involved in inducing uterine contractions and stimulation of tactile receptors in the nipples of the lactating breast
what is responsible for transporting catecholamines in and out of chromaffin granules?
somatotrophs synthesize what hormone?
cortisol is made where?
release of what substance from the arcuate nucleus of the hypothalamus cause the inhibition of the release of prolactin?
QuestionAnswer
carrier proteins for ADH and oxytocin
Corticotropin releasing hormone is released from the ______ nucleus of the hypothalamus.
precursor to ACTH
activates myoepithelial cells for release of milk from the breast
these trophic cells synthesize follicle stimulating hormone and lutenizing hormone
the conversion of dopamine to norepinephrine occurs where in the cell?
in stressful situations, cortisol acts on which enzyme?
vasopressin or ADH predominantly comes from which nucleus of the hypothalamus?
ADH V2 receptors are located in the ________
The anterior and medial nuclei and the preoptic nucleus of the hypothalamus release which hormone?
True or False: Norepinephrine and epinephrine required a carrier protein to be transported in the blood.
epinephrine and norepinephrine act as negative feedback regulators of which enzyme?
what enzyme catalyzes the conversion of L Dopa to dopamine?
vasopressin and oxytocin are composed of how many peptides?
percentage of epinephrine or adrenaline made by the adrenal medulla
Lutenizing hormone releasing hormone acts on which endocrine cell of the anterior pituitary?
ADH V1 receptors are located in the ________
type of trophic endocrine cell that synthesizes prolactin
conversion of norepinephrine to epinephrine occurs where in the cell?
What neurotransmitter acts on chromaffin cells to increase the synthesis and release of epinephrine and norepinephrine?
The hormone that inhibits the release of growth hormone from the anterior pituitary comes from the _____ nucleus of the hypothalamus.
on which type of adrenergic receptor will epinephrine illicit a greater response than norepinephrine?
percentage of norepinephrine or noreadrenaline made by the adrenal medulla
Thyrotropin releasing hormone can come from which 2 hypothalamic nuclei?
what is the major metabolite of epinephrine and norepinephrine in the urine?
Where do the neurons of the nuclei of the hypothalamus terminate?
type of trophic endocrine cell that synthesizes adrenocorticotropic hormone, B endorphin, y-lipotropin

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