14 results
Steroid Synthesis Pathway

Dr. Caoimhe Costigan @CaoimheCostigan

#Steroid #Synthesis #pathophysiology #algorithm #endocrinology
Steroid Synthesis ... CaoimheCostigan #Steroid #Synthesis ... #pathophysiology ... #algorithm #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
theca cells • Ovulation ... forms following ovulation ... not implant #MenstrualCycle ... #OvarianCycle #pathophysiology ... #menstruation #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
Ovarian Cycle – Ovulation ... for clarity) #MenstrualCycle ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Steroid Synthesis Pathway

(OH, hydroxy; HSD, hydroxysteroid dehydrogenase; DHEA, dehydroepiandrosterone; pink, common enzymes affecting CAH, purple –
Steroid Synthesis ... CaoimheCostigan #Steroid #Synthesis ... Pathway #metabolism #pathophysiology ... #endocrinology
Insulin and Glucagon Pathophysiology
Insulin: 
 • Glucose utilization (Glycolysis)
 • Glucose storage (Glycogenesis)
 • Fat synthesis
Insulin and Glucagon Pathophysiology ... Glycogenesis) • Fat synthesis ... Actions: • Glucose synthesis ... Insulin #Glucagon #Pathophysiology ... #endocrinology
Vitamin D Metabolism
Fat-soluble vitamin
Sources: dermal synthesis and food (dairy products, fish)
Active form: calcitriol (1,25-OH Vitamin D)
Main
Sources: dermal synthesis ... VitaminD #Metabolism #endocrinology ... #pathophysiology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
Ovulation • ... See also "Ovulation ... #UterineCycle #MenstrualCycle ... #OvarianCycle #pathophysiology ... #comparison #endocrinology
Infographic depicting the main pearls of various types of congenital adrenal hyperplasia for the medical student.
#CAH #algorithm ... treatment #Peds #Endocrinology ... #Adrenal #pathophysiology
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 – Luteal Phase Explained
 • The LH surge can be thought
slide) Besides ovulation ... Ovarian Cycle #MenstrualCycle ... #OvarianCycle #pathophysiology ... #LutealPhase #endocrinology