85 results
diagnosis endocrinology differential algorithm pathophysiology causes management adrenal signs symptoms insufficiency menstrualcycle ophthalmology primary neurology ovariancycle pharmacology secondary acromegaly clinical
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 ... endocrinology #feedback
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained Around Day 14, estrogen exerts sudden +++ positive feedback
sudden +++ positive feedback ... on the anterior pituitary ... negative to positive feedback
Limbic system Medial/rostral hypothalamus Lateral hypothalamus Hypothalamic neurosecretion ADH Autonomic centers Signal generator CRH Negative feedback Sympathetic nervous system Anterior pituitary ACTH Adrenal medulla Adrenal cortex #Cortisol #Epinephrine (norepinephrine) Response to signal
CRH Negative feedback ... system Anterior pituitary
Feedback Loop: Prolactin (PRL) • PRL levels exhibit diurnal, menstrual, and age-related variation • TRH has
Feedback Loop: Prolactin ... pathophysiology #pituitary
Glucocorticoid-Induced Osteoporosis: Pathogenesis and Clinical Findings • Negative feedback on hypothalamus/pituitary, Decreasing ACTH -> Decr Sex
• Negative feedback ... on hypothalamus/pituitary
Feedback Loop: Growth Hormone (GH) Growth Hormone: • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Feedback Loop: Growth ... pathophysiology #pituitary
Primary Adrenal Insufficiency: • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Elevated, because feedback ... hypothalamus or pituitary ... deficiency (from the pituitary
Regulation of GFR Physiologically, GFR is auto-regulated very precisely with changes in the mean arterial pressure (MAP)
neuro-hormonal feedback ... Tubuloglomerular feedback ... Neuro-hormonal feedback
Overview of hypothalamus and pituitary hormones and their regulation. #hypothalamus #pituitary #endocrinology #Hormones #diagnosis #algorithm
hypothalamus and pituitary ... #hypothalamus #pituitary
Hypothalamic releasing hormones and the pituitary trophic hormones. #Hypothalamic #Pituitary #Hormones #Release #Trophic #Anterior #Hypothalamus #Endocrinology
hormones and the pituitary ... #Hypothalamic #Pituitary
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