Basic Medical Sciences
Foundational body structures and core starter vocabulary.
Glossary route
Medical Terms for Beginners
Start with body structures, basic function, and common clinical terms before moving into disease and intervention-heavy pages.
Why this route exists
Beginners do better when medical English is introduced in layers. First come the structures and systems, then the measurements, then the diseases and interventions.
This page groups the glossary into an easier learning path so the first terms feel connected instead of random.
How to use this page
- Start with body structures and core organs.
- Learn the words used to describe normal function.
- Add a small number of test and measurement terms.
- Only then move into disease names and treatment language.
Recommended Categories
Anatomy
Body structures, vessels, chambers, and structural terminology.
Physiology
Normal function, regulation, and core body-system language.
Diagnosis
Tests, measurements, and terms used to evaluate patients.
Best Terms to Start With
Aorta
The main and largest artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arter...
Femur
The long bone in the human leg extending from the hip to the knee, also known as the thigh bone. It is the longest, heaviest, and strongest bone in the human body, artic...
Pelvis
The basin-shaped complex of bones that connects the axial skeleton to the lower limbs. It is composed of the two hip bones (os coxae), the sacrum, and the coccyx, protec...
Systole
The phase of the cardiac cycle during which the heart muscle contracts, ejecting blood from the ventricles into the aorta and pulmonary artery.
Diastole
The phase of the cardiac cycle during which the heart muscle relaxes and the chambers fill with blood, comprising approximately two-thirds of the cardiac cycle duration.
Hemoglobin
A protein in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.
Electrocardiogram
A graphical recording of the electrical activity of the heart over time, obtained via electrodes placed on the skin, used to diagnose cardiac arrhythmias, ischemia, and...
Spirometry
A diagnostic test that measures the amount and speed of air a person can inhale and exhale, used to assess lung function.