Online MRI & CT Sectional Anatomy (OMCSA K-anatomy) is probably one of the most user-friendly and convenient online interface for human anatomy atlas. Anatomies like brain, temporal bone/internal auditory meatus, nasopharynx, orbit, paranasal sinuses, cranial nerves, temporomandibular joint, neck, brachial plexus, spine, shoulder, arm, elbow, forearm, wrist, hand, finger, thumb, thorax/lung, coronary arteries, abdomen, pelvis, hip, thigh, knee, leg, ankle, foot, angiogram, etc. are included.