Medicosis Perfectionalis Courses

Amino Acid Profiles - Inborn Errors of Metabolism Diagnosis - Blood and Urine Tests - Labs

Explains how blood and urine amino acid profiles help diagnose inherited metabolic disorders, using patterns such as phenylalanine, tyrosine, methionine, and homocysteine.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

Biosignaling - G-Proteins, Ligand-Gated, Voltage-Gated Channels, JAK-STAT - Biochemistry

An overview of cell signal transduction that connects second messenger systems with G proteins, gated channels, and JAK-STAT signaling.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Cellular Proteins Functions - Structural, Motor, Binding, Cell Adhesion Molecules

Explains how structural, motor, and binding proteins work in cells, including the role of cell adhesion molecules.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

Small Intestine Motility and Secretions - GI Physiology

Explains how small-intestinal motility and secretions contribute to digestion and absorption.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Cardiovascular & Respiratory Cases for USMLE - Anatomy, Physiology, Pathology, Microbiology, Pharmacology

Work through cardiovascular and respiratory TrueLearn vignettes for USMLE Step 1, spanning anatomy, physiology, pathology, microbiology, and pharmacology.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Gastric Motility and Receptive Relaxation - GI Physiology

Explains how receptive relaxation lets the stomach accommodate a meal and how gastric motility moves its contents toward emptying.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Competitive Inhibition and Enzyme Kinetics - Biochemistry

Explains competitive inhibition through enzyme kinetics, using Michaelis–Menten and Lineweaver–Burk graphs.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Lineweaver-Burk Plot - Vmax, Km & [S] - Biochemistry

Explains how the Lineweaver–Burk reciprocal plot relates enzyme kinetics to Vmax, Km, and substrate concentration.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Paget Disease of Bone - Osteitis Deformans - With a Mnemonic

A mnemonic-based explanation of Paget disease of bone, also known as osteitis deformans.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

Gastrointestinal Secretions - Hormones - GI Physiology Series

A focused physiology lesson examines the hormones involved in gastrointestinal secretions and the digestive tract.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Michaelis-Menten Equation and Enzyme Kinetics - Biochemistry Series

See how substrate concentration shapes enzyme reaction velocity through the Michaelis–Menten curve, including its Vmax and Km landmarks.

• YouTube
• 19 minutes
• Self-Paced
• Free Video

Nephrotic and Nephritic Syndrome - Quick Review - Nephrology & Pathology

A concise comparison of nephrotic and nephritic syndromes through the lens of kidney pathology.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Gastrointestinal Motility - Propulsive Movements vs Mixing Movements

Explains how peristalsis propels gut contents while mixing movements churn them, with attention to enteric and autonomic control.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

Anthrax and Its Subtypes - A Disease Caused by Bacillus Anthracis - Microbiology

A short microbiology lesson distinguishes cutaneous and pulmonary anthrax, including spore exposure, from the similarly named condition anthracosis.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

GI Innervation - Nerve Supply of the Gastrointestinal System - Enteric Nervous System

Explains how enteric, sympathetic, and parasympathetic nerves supply the gut, including the roles of its two plexuses.

• YouTube
• 15 minutes
• Self-Paced
• Free Video