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Endocrine System
N/A
14
Anatomy
Undergraduate 4
06/01/2013

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Term
Gonadotropin
releasing
hormone
Definition
promotes secretion of...
Follicle-stimulating hormone (FSH)
Luteinizing hormone (LH)

Gonadotropes
Term
follicle-stimulating hormone (FSH)
Target organs
secreting cells
secreted hormones
effect
Definition
F: ovary (pre-ovulation)
M: testis

F: granulosa and theca of follicle
M:sustentacular cells (c. of Sertoli)

F. Estrogen

F: production of estrogen
M: sperm production
Term
Luteinizing hormone (LH)
Target organs
secreting cells
secreted hormones
effect
Definition
F: ovary (post ovulation)
M: testis

F: corpus luteum(Lutein cells)
M:Interstitial cells (cells of Leydig)

F:progesterone
M.Testosterone

F: production of progesterone
M: testosterone production
Term
Thyrotropin-releasing hormone
(TRH)
Definition
Thyroid-stimulating hormone (TSH)
Thyrotropes
Term
Thyroid-stimulating hormone (TSH)
Target organs
secreting cells
secreted hormones
effect
Definition
Thyroid

Follicular cells

T4, T3(T3 more potent)
Need iodide

Child:Development of brain and skeleton
Adult: Increased metabolism and appetite
(calorigenic effect)
Term
Corticotropin- releasing hormone
(CRH)
Definition
Adenocorticotropic hormone (ACTH)
Corticotropes
Term
Adenocorticotropic hormone (ACTH)
Target organs
secreting cells
secreted hormones
effect
Definition
Adrenal cortex,zona fasciculata

Spongiocytes

Glucocorticoids

Long-term stress, Tissue remodelling
Term
Prolactin-inhibiting hormone
Anterior PG
Effects
Definition
Prolactin
Lactotropes

F: Production of milk
M: enhances effect of LH
Term
Growth-hormone releasing hormone
(GHRH)
Definition
Growth hormone
Somatotropes
Term
Growth hormone
Target organs
secreting cells
secreted hormones
effect
Definition
Liver production of somatomedines and IGFs
Adrenal medulla

Chromaffin cells

Adrenaline
Noradrenaline
Dopamine
Term
pineal gland
Definition
it synthesizes melatonin, which may suppress gonadotropin secretion and prevent premature sexual maturation
role in our 24-hour circadian rhythms
role in our 24-hour circadian rhythms
Term
pineal gland
location
function
Definition
Epi
thalamus
Roof of 3rd ventricle,regresses after age 7

Granules of calcium phosphate
(pineal sand)
Term
Thyroid
Features
Secretory Cells
Definition
2 lobes and istmus
Superior and inferior thyroid
arteries

Follicles lined with follicular cells (T3, T4)
C cells (calcitonin)
Term
Thyroid hormone
Definition
stimulates prenatal and childhood brain development and bone growth, promotes pituitary secretion of growth hormone, quickens the somatic reflexes, raises the heart rate and metabolic rate, promotes intestinal absorption of carbohydrates, and lowers the plasma cholesterol level.
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