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Foundational Science

Physiology Complete Content Map

Homeostasis, organ system function, and integrated control mechanisms. Each module includes core topics, high‑yield subtopics, and clinical correlations for Step 1 mastery.

11
Major topics
70+
Core subtopics
50+
Clinical correlations
❤️ Physiology Curriculum
Mapped to USMLE Step 1 content outline. Each block below links to a dedicated module with full hierarchical breakdown — core topics, high‑yield details, and clinical correlations.
8.1

General Principles

Homeostasis, membrane transport, signal transduction, body fluid compartments.

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8.2

Cardiovascular Physiology

Cardiac electrophysiology, cycle, output, vascular physiology, blood pressure regulation.

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8.3

Respiratory Physiology

Lung mechanics, gas exchange, oxygen/CO₂ transport, ventilation‑perfusion relationships, control of breathing.

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8.4

Renal Physiology

Glomerular filtration, tubular reabsorption/secretion, concentration/dilution, acid‑base, potassium homeostasis.

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8.5

Gastrointestinal Physiology

Motility, gastric secretion, pancreatic/biliary secretion, digestion/absorption, GI hormones.

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8.6

Endocrine Physiology

Hypothalamic‑pituitary axis, thyroid, adrenal, calcium homeostasis, glucose homeostasis, reproductive hormones.

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8.7

Reproductive Physiology

Male/female reproduction, pregnancy, lactation, sexual differentiation.

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8.8

Neurophysiology

Sensory systems, motor systems, autonomic nervous system, higher cortical functions.

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8.9

Muscle Physiology

Skeletal, cardiac, smooth muscle; excitation‑contraction coupling, cross‑bridge cycling, length‑tension.

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8.10

Acid‑Base Physiology

Buffer systems, respiratory/renal compensation, acid‑base disorders.

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8.11

Thermoregulation

Heat production/loss, temperature regulation, fever.

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