General Principles of Endocrinology
- What is a hormone? (endocrine vs. paracrine vs. autocrine)
- Hormone classes (peptide, steroid, amine) and how they act (receptors, second messengers)
- Feedback mechanisms (negative vs. positive, short-loop vs. long-loop)
- Key patterns: axis control, pulsatile secretion, diurnal rhythms
Hypothalamic-Pituitary Axis
Controls most other endocrine glands, covering the anterior pituitary (TSH, ACTH, FSH, LH, Prolactin, Growth Hormone) and posterior pituitary (ADH, Oxytocin).
- Hypothalamic releasing/inhibiting hormones
- Anterior pituitary: GH, PRL, ACTH, TSH, FSH/LH
- Posterior pituitary: ADH (vasopressin), oxytocin
- Hypothalamic-pituitary axes overview
Thyroid Gland
Focuses on metabolism, T3/T4 regulation, and disorders like hypothyroidism and hyperthyroidism.
- Thyroid: T3/T4 synthesis, regulation (TSH), actions, disorders (hypo/hyperthyroidism, goiter)
- Parathyroid: PTH, calcium homeostasis, vitamin D interplay
Diabetes
Covers insulin regulation, Type 1 & 2 diabetes, metabolic syndrome, and obesity.
Metabolism
Covers insulin regulation, Type 1 & 2 diabetes, metabolic syndrome, and obesity.
- Multiple endocrine neoplasia (MEN) syndromes
- Growth hormone/IGF-1 axis
- Bone metabolism, vitamin D, FGF23
- Endocrine hypertension, obesity-related endocrinology
Adrenal Gland Disorders
Involves the adrenal cortex and medulla, including Cushing's syndrome, Addison's disease, and cortisol regulation.
- Cortex: glucocorticoids (cortisol), mineralocorticoids (aldosterone), androgens
- Medulla: catecholamines
- HPA axis, RAAS (renin-angiotensin-aldosterone system)
Reproductive Endocrinology
Covers ovaries and testes, including fertility, sex hormones (estrogen, progesterone, testosterone), and puberty.
- Hypothalamic-pituitary-gonadal (HPG) axis
- Male: testosterone, spermatogenesis
- Female: estrogen/progesterone, menstrual cycle, ovulation
Metabolic Bone Disease & Calcium
Focuses on parathyroid hormone, calcium balance, and osteoporosis.
Neuroendocrinology
The interaction between the nervous system and endocrine system, including the pineal gland and melatonin.
Endocrine Oncology
Tumors that affect the endocrine system
- Insulin, glucagon, somatostatin
- Counter-regulatory hormones
- Diabetes pathophysiology (type 1 vs. type 2)
Hormone Action
Mechanisms of hormone receptors, peptide vs. steroid hormones, and signal transduction.
Dynamic Testing
Techniques for diagnosing disorders, such as stimulation and suppression tests (e.g., ACTH stimulation test).
Pediatric Endocrinology
Growth, development, and hormonal disorders in children.
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Disclaimer: The information provided on this website is for general educational purposes only and should not be considered professional advice. It is primarily intended for medical professionals, particularly endocrinology residents. Please consult a qualified professional for guidance specific to your situation.
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An educational platform about the Endocrine System.
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Disclaimer: The information provided on this website is for general educational purposes only and should not be considered professional advice. It is primarily intended for medical professionals, particularly endocrinology residents. Please consult a qualified professional for guidance specific to your situation.
© 2026 Synaspaces.com. All rights reserved.