20 results
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
- FSH from pituitary ... from pituitary ... release from pituitary ... #OvarianCycle #pathophysiology ... #menstruation #endocrinology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
Pathogenesis and Clinical ... following order; GH, LH ... Signs / Symptoms ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
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 ... to Increased LH ... MenstrualCycle #pathophysiology ... HypothalamicPituitary #endocrinology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Pathogenesis and Clinical ... production by the pituitary ... Signs/Symptoms: ... Hyperthyroidism #endocrinology ... #pathophysiology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
secretion -> Decr FSH/LH ... #FeedbackLoop #endocrinology ... #pathophysiology ... #pituitary
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
on the anterior pituitary ... understood) -> surge in LH ... 36 hours after LH ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Clinical Effects of Large and Small Pituitary Tumours
Local complications - Headache, Visual field defect, Disconnection hyperprolactinaemia,
Clinical Effects ... Large and Small Pituitary ... infarction/expansion (pituitary ... Tumors #Signs #Symptoms ... #Diagnosis #Endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
lipolysis Signs/Symptoms ... #FeedbackLoop #endocrinology ... #pathophysiology ... #pituitary
Glucocorticoid-Induced Osteoporosis: Pathogenesis and Clinical Findings

 • Negative feedback on hypothalamus/pituitary, Decreasing ACTH -> Decr Sex
Pathogenesis and Clinical ... on hypothalamus/pituitary ... Sex Hormones (LH ... #Osteoporosis #pathophysiology ... #signs #symptoms
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
production by pituitary ... , and 2) helps LH ... Incr number of LH ... #OvarianCycle #pathophysiology ... FollicularPhase #endocrinology