748 results
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
- FSH from pituitary ... - LH from pituitary ... LH release from pituitary ... not implant #MenstrualCycle
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 ... #MenstrualCycle
The principal endocrine 'axes' and glands. Parathyroid glands, adrenal zona glomerulosa and endocrine pancreas are not
Parathyroid glands, adrenal ... controlled by the pituitary ... Pathways #Diagnosis #Pituitary
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Adrenal Insufficiency ... Algorithm Primary Adrenal ... Autoimmune primary adrenal ... ACTH-deficiency • Combined pituitary ... Insufficiency #Adrenal
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
ACTH-secreting pituitary ... ACTH-independent: - Adrenal ... hyperplasia - Adrenal
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
production by pituitary ... back on anterior pituitary ... production by pituitary ... feeds back on pituitary ... #MenstrualCycle
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
on the anterior pituitary ... for clarity) #MenstrualCycle
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Intake • Chronic Renal ... Normal/ Low TSH • Pituitary ... Inhibition • Pituitary ... Production • Renal
Primary vs Secondary Adrenal Insufficiency - Pathophysiology
Primary AI = adrenal glands themselves are the problem. This
Primary vs Secondary Adrenal ... Pathophysiology Primary AI = adrenal ... Secondary AI = the pituitary ... leads to limited adrenal ... Primary #Secondary #Adrenal
Overview of hypothalamus and pituitary hormones and their regulation.

#hypothalamus #pituitary #endocrinology #Hormones #diagnosis #algorithm
hypothalamus and pituitary ... #hypothalamus #pituitary