The Calgary Guide to Understanding Disease @TheCalgaryGuide
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pathophysiology menstrualcycle ovariancycle feedbackloop pituitary 21hydroxylasedeficiency comparison genetics gh growthhormone hpoa hypothalamicpituitary ovulation pediatrics peds prl prolactin
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained Around Day 14, estrogen exerts sudden +++ positive feedback
sudden +++ positive feedback ... negative to positive feedback ... pathophysiology #Ovulation #endocrinology
Feedback Loop: Prolactin (PRL) • PRL levels exhibit diurnal, menstrual, and age-related variation • TRH has
Feedback Loop: Prolactin ... #FeedbackLoop #endocrinology
Feedback Loop: Growth Hormone (GH) Growth Hormone: • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Feedback Loop: Growth ... #FeedbackLoop #endocrinology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis Estrogen, when released: • Negatively feeds back on the hypothalamus and
HypothalamicPituitary #endocrinology ... #feedback
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
#21HydroxylaseDeficiency #21OHD ... pathophysiology #genetics #endocrinology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles Note: Some charts show different relative levels of
#UterineCycle #MenstrualCycle ... pathophysiology #comparison #endocrinology
Menstrual Cycle Physiology: the Uterine Cycle The endometrium has receptors for ovarian hormones! Changes in structure and
pathophysiology #UterineCycle ... #endocrinology
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