16 results
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
stimulates granulosa cells ... androgens from theca cells ... not implant #MenstrualCycle ... #OvarianCycle #pathophysiology ... #menstruation #endocrinology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
#MenstrualCycle ... #pathophysiology ... HypothalamicPituitary #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
for clarity) #MenstrualCycle ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
follicle's granulosa cells ... Ovarian Cycle #MenstrualCycle ... #OvarianCycle #pathophysiology ... #LutealPhase #endocrinology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
maturation of immune cells ... • Alveolar Cells ... #FeedbackLoop #endocrinology ... #pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
• Granulosa cells ... ) • Granulosa cells ... #MenstrualCycle ... #OvarianCycle #pathophysiology ... FollicularPhase #endocrinology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
and granulosa cells ... granulosa and theca cells ... #UterineCycle #MenstrualCycle ... #OvarianCycle #pathophysiology ... #comparison #endocrinology
Menstrual Cycle Physiology: the Uterine Cycle
The endometrium has receptors for ovarian hormones! Changes in structure and
growth: Endometrial cells ... fertilized) ovum #MenstrualCycle ... #OvarianCycle #pathophysiology ... #UterineCycle #endocrinology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma #pathophysiology ... #ophthalmology
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
lymphocytes and plasma cells ... Hashitoxicosis #Hashimotos #Endocrinology ... #Diagnosis #Pathophysiology