Medical Term Starting with A help you learn simple and useful words used in hospitals, health reports, and basic medical conversations. These terms make it easier to understand symptoms, tests, and body functions in daily life.
Medical terms starting with A with meaning
Here are list of medical terms that start with A
1. Anemia
A condition where your blood has low red cells. It causes tiredness and weakness.
2. Allergy
A reaction when your body becomes sensitive to something like dust or food.
3. Antibiotic
A medicine that kills bacteria. Doctors use it to treat infections.
4. Asthma
A lung condition that makes breathing difficult. It often causes coughing and wheezing.
5. Artery
A blood vessel that carries blood away from your heart.
6. Appendix
A small tube-like organ in your lower stomach area.
7. Amnesia
A condition that causes memory loss.
8. Anxiety
A feeling of fear or worry that affects daily activities.
9. Acne
Small bumps or pimples on the skin, mostly on the face.
10. Antacid
A medicine that reduces stomach acid. It helps with heartburn.
11. Anesthesia
A drug that makes you sleep or feel no pain during surgery.
12. Arthritis
A condition that causes pain and swelling in the joints.
13. Antibody
A protein your body makes to fight germs.
14. Aneurysm
A bulge in a blood vessel that can be dangerous if it bursts.
15. Arrhythmia
An abnormal or irregular heartbeat.
16. Adrenal Gland
A gland above your kidneys that makes important hormones.
17. Aspirin
A common medicine used to reduce pain, fever, and swelling.
18. Anorexia
A condition where a person avoids eating and loses too much weight.
19. Abrasion
A scrape on the skin caused by rubbing or falling.
20. Acute
A condition that starts suddenly and needs quick attention.
21. AIDS
A disease that weakens the immune system.
22. Analgesic
A medicine that reduces pain.
23. Apex
The tip or pointed end of an organ, like the heart.
24. Adhesion
Tissue that sticks together after injury or surgery.
25. Amino Acid
A building block of protein in the body.
26. Atrophy
When a muscle or body part becomes weak or smaller.
27. Abscess
A pocket of pus caused by infection.
28. Antenatal
Care given to a woman during pregnancy.
29. Aphasia
A condition that makes it hard to speak or understand words.
30. Airway
The path that air takes when you breathe.
31. Aorta
The main artery that carries blood from the heart to the body.
32. Allergen
A substance that causes an allergy.
33. Adverse Reaction
A harmful or unwanted effect from a medicine.
34. Antiseptic
A liquid used to kill germs on the skin or wounds.
35. Autopsy
An examination of a body after death to find the cause.
36. Aspirate
To remove fluid using a tube or needle.
37. Asymptomatic
A condition with no visible symptoms.
38. Auscultation
Listening to body sounds using a stethoscope.
39. Atrial
Related to the upper chambers of the heart.
40. Ablation
A procedure that removes or destroys tissue.
41. Adolescence
The stage of growth between childhood and adulthood.
42. Alopecia
Hair loss from the scalp or body.
43. Alveoli
Tiny air sacs in the lungs that help you breathe.
44. Anal Fissure
A small cut in the skin around the anus.
45. Antigen
A substance that triggers the body to make antibodies.
46. Apnea
A short period when breathing stops.
47. Apathy
A lack of interest or feeling.
48. Arachnoid
A thin layer of tissue around the brain and spinal cord.
49. Arthroscope
A tool used to look inside a joint.
50. Adrenaline
A hormone that increases heart rate and energy during stress.