15 results
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
sudden +++ positive feedback ... negative to positive feedback ... for clarity) #MenstrualCycle ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
#MenstrualCycle ... #pathophysiology ... HypothalamicPituitary #endocrinology ... #feedback
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
Feedback Loop: Prolactin ... #FeedbackLoop #endocrinology ... #pathophysiology
Infographic depicting the main pearls of various types of congenital adrenal hyperplasia for the medical student.
diagnosis #comparison #treatment ... #Peds #Endocrinology ... #Adrenal #pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
not implant #MenstrualCycle ... #OvarianCycle #pathophysiology ... #menstruation #endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Feedback Loop: Growth ... #FeedbackLoop #endocrinology ... #pathophysiology
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
classical negative feedback ... #Pathophysiology ... #Endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
Ovarian Cycle #MenstrualCycle ... #OvarianCycle #pathophysiology ... #LutealPhase #endocrinology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... hemorrhage • Treatment ... continue antibiotic treatment ... several months of treatment ... Coccidioides • Parasite
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
#UterineCycle #MenstrualCycle ... #OvarianCycle #pathophysiology ... #comparison #endocrinology