The Calgary Guide to Understanding Disease @TheCalgaryGuide
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pathophysiology menstrualcycle ovariancycle feedbackloop gh comparison diagnosis excess feedback follicularphase glftap hpoa hyperthyroidism hypothalamicpituitary lutealphase macroadenoma masseffects menstruation mnemonic overproduction
Feedback Loop: Growth Hormone (GH) Growth Hormone: • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
metabolic abn #GrowthHormone ... #FeedbackLoop #endocrinology ... pathophysiology #pituitary
Pituitary Mass Effects - Pathogenesis and Clinical Findings • Pituitary turnors are almost always a benign
Pituitary Mass Effects ... Pituitary adenomas ... Symptomatic pituitary ... • For pituitary ... #SideEffects #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview LH and FSH are required for follicular development and
- FSH from pituitary ... - LH from pituitary ... LH release from pituitary ... #menstruation #endocrinology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis Estrogen, when released: • Negatively feeds back on the hypothalamus and
The Hypothalamic-Pituitary-Ovarian ... hypothalamus and anterior pituitary ... hypothalamus and anterior pituitary ... HypothalamicPituitary #endocrinology
Growth Hormone Excess - Pathogenesis and clinical findings • Acromegaly and gigantism share the same pathophysiology
fraction • HTN #GrowthHormone ... signs #symptoms #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained Early Follicular Phase (Days 0-5) • Granulosa cells
production by pituitary ... back on anterior pituitary ... production by pituitary ... feeds back on pituitary ... FollicularPhase #endocrinology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings Note: Although rare, gestational diseases can lead to thyrotoxicosis due
production by the pituitary ... Hyperthyroidism #endocrinology
Feedback Loop: Prolactin (PRL) • PRL levels exhibit diurnal, menstrual, and age-related variation • TRH has
#FeedbackLoop #endocrinology ... pathophysiology #pituitary
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles Note: Some charts show different relative levels of
on the anterior pituitary ... #UterineCycle #MenstrualCycle ... pathophysiology #comparison #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained Around Day 14, estrogen exerts sudden +++ positive feedback
on the anterior pituitary ... pathophysiology #Ovulation #endocrinology
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