Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Longitudinal
Introduction
The term, longitudinal means “along the major (or long) axis” as opposed to latitudinal which means “along the width”, transverse, or across.
See also: longitude
Anatomy
In anatomy, the longitudinal plane is either the coronal plane or sagittal plane.