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37 Cards in this Set

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Corticotropin-Releasing Hormone (CRH)
-Origin: Hypothalamus
-Stimulus:
1. Low blood glucocorticoid
2. Stress
-Target: Anterior Pituitary
-Action: Causes release of Adrenocorticotropic Hormone
-Inhibition: Cortisol (a glucocorticoid)=High blood Glucocorticoid
-Control: Negative Feedback
Gonadotropin-Releasing Hormone
GNRH
-Origin: Hypothalamus
-Stimulus:
1. Puberty
2. Low Estrogen & Progesterone
3. High Estrogen & low Progesterone
4. Low blood testosterone
-Target: Anterior Pituitary
-Action: Stimulates release of FSH and LH
-Inhibition: Testosterone, Progesterone, Estrogen
-Control: Negative Feedback
Thyrotropin-Releasing Hormone
TRH
-Origin: Hypothalamus
-Stimulus:
1. Low levels of thyroid hormone
2. Low metabolism
3. Cold
-Target: Anterior Pituitary
-Action: Stimulates release of TSH
-Inhibition: High TH
-Control: Negative feedback
Growth Hormone-Releasing Hormone
GHRH
-Origin: Hypothalamus
-Stimulus:
1. Low GH
2. Low Glucose
3. Age
4. Cyclic daily release
-Target: Anterior Pituitary
-Action: Stimulates release of GH
-Inhibition: High blood Glucose
Growth Hormone-Inhibiting Hormone
GHIH
-Origin: Hypothalamus
-Stimulus:
1. High levels of GH and IGFS
2. High blood Glucose
-Target: Anterior Pituitary
-Action: Inhibits release of GH
-Inhibition: Low Glucose
Prolactin-Releasing Hormone
PRH
-Origin: Hypothalamus
Prolactin-Inhibiting Hormone
PIH
Origin: Hypothalamus
Sella Turcica
Houses Pituitary Gland
Adrenocorticotropic Hormone
ACTH
Origin: Hypothalamus
Stimulus: Stress
Target: Adrenal Cortext
Action: Causes release of cortisol
Inhibition: Cortisol
Control: Negative feedback
Follicle-Stimulating Hormone
FSH
-Origin: Anterior Pituitary
-Stimulus: GnRH
-Target: Ovaries & Testes
-Action: Follicle Growth & spermatogenesis
-Inhibition: High Estrogen & Testosterone
-Control: Negative feedback
Luteinizing Hormone
LH
-Origin: Anterior Pituitary
-Stimulus: GnRH
-Target: Ovaries & Testes
-Action: Release Estrogen & Testosterone
-Inhibition: High Estrogen, Progesterone & Testosterone
-Control: Negative feedback
Thyroid-Stimulating Hormone
TSH
-Origin: Anterior Pituitary
-Stimulus: TRH
-Target: Thyroid Gland
-Action: Stimulates the release of TH
-Inhibition: High TH
-Control: Negative feedback
Growth Hormone
GH
-Origin: Anterior Pituitary
-Stimulus: GHRH
-Target: Throughout the body
-Action: Simulates insulin-like growth factors that increase growth rate and blood sugar
-Inhibition: GHIH
Prolactin
PRL
-Origin: Anterior Pituitary
-Stimulus: Suckling
-Target: mammary glands & testes
-Action: Milk production, LH sensitivity
-Inhibition: Prolactin inhibiting hormone
Antidiuretic Hormone
ADH
-Origin: Posterior Pituitary
-Stimulus: Dehydration
-Target: Kidney
-Action: Water retention
-Inhibition: High blood volume
Oxytocin
OT
-Origin: Posterior Pituitary
-Stimulus: Uterine Stretch
-Target: Uterus
-Action: stimulates contractions
-Inhibition: Lack of uterine stretch
Melatonin
-Origin: Pineal Gland
-Stimulus: Darkness
-Target: Hypothalamus
-Inhibition: Light
Serotonin
-Origin: Pineal Gland
-Stimulus: Sunlight
-Target: Brain
-Inhibition: Brain
Thyroid Hormone
TH
-Origin: Thyroid Gland
-Stimulus:TSH
-Target: Throughout body
-Action: Increases body temperature
-Inhibition: Lack of TSH
Calcitonin
-Origin: Thyroid Gland
-Stimulus: Increase in calcium
-Target: Bone
-Action: Deposits calcium in bone
-Inhibition: Decrease in blood calcium
Parathyroid Hormone
PTH
-Origin: Parathyroid gland
-Stimulus: Decrease in calcium
-Target: Kidney
-Action: Deposits calcium into blood
-Inhibition: Increase in blood calcium
Thymosins
-Origin: Thymus
Insulin
-Origin: Pancreas
-Stimulus: Meals
-Target: Throughout body
-Action: decreases blood glucose
-Inhibition: Low blood glucose
Glucagon
-Origin: Pancreas
-Stimulus: Protein meals
-Target: Liver
-Action: Increase blood Glucose
-Inhibition: High blood Glucose
Where are the Adrenal Glands located?
Around the kidneys
Mineralocorticoids
Aldosterone
-Origin: Adrenal cortex
-Stimulus: Low blood pressure
-Target: Kidney
-Action: Increases blood pressure
-Inhibition: Increased blood pressure
Glucocorticoids
Cortisol
-Origin: Adrenal cortex
-Stimulus: Stress
-Target: Throughout body
-Action: increases resistance to stress
-Inhibition: Lack of ACTH
Androgens
Origin: Adrenal Cortex
Epinephrine
-Origin: Adrenal Medulla
-Stimulus: Stress
-Target: Throughout the body
-Inhibition: Lack of stress
Norepinephrine
Origin: Neurons
Target: Neurotransmitter
Estradiol
-Origin: Ovary
-Stimulus: FSH & LH
-Target: Throughout the body
-Action: Sexual development and function
-Inhibition: Lack of FSH & LH
Progesterone
-Origin: Ovaries
-Stimulus: LH
-Target: Throughout the body
-Action: Regulate reproductive cycle
-Inhibition: Lack of LH
Inhibin
-Origin: Testes
-Stimulus: High sperm count
-Target: Anterior Pituitary
-Action: Inhibits release of FSH
-Inhibition: Low sperm count
What 3 hormones are found in the placenta?
1. Human Chorionic Gonadotropin
2. Progesterone
3. Estrogens
Hypothalamo-Pituitary- Adrenal Axis
1. Corticotropin-Releasing Hormone (CRH)
2. Adrenocorticotropic Hormone (ACTH)
3. Cortisol
Hypothalamo-Pituitary-Gonadal Axis
1. Gonadotropin-Releasing Hormone
2. Follicle-Stimulating Hormone
3. Luteinizing Hormone
4. Estrogens
5. Progesterone
6. Testosterone
Hypothalamo-Pituitary-Thyroid Axis
1. Thyrotropin-Releasing Hormone
2. Thyroid-Stimulating Hormone
3. Thyroid Hormone