MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Bone marrow aspiration
The removal of a small amount of bone marrow (usually from the hip) through a needle. The needle is placed through the top layer of bone and a liquid sample containing bone marrow cells is obtained through the needle by aspirating…
Read the definitionRandom terms
Show more- Nosebleed, causes of The nose is a part of the body that is very rich in blood vessels (vascular) and is situated in a vulnerable…
- Typhus, scrub A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with…
- Anergy A state of immune unresponsiveness. Induced when the T cell's antigen receptor is stimulated, effectively…
- Hemiplegic Pertaining to hemiplegia (paralysis of one side of the body.
- Vertebrae, cervical The cervical (neck) vertebrae are the upper 7 vertebrae in the spinal column (the vertebral column). They are…
- Insufficiency, small intestine See: Short bowel syndrome
- Cranial nerve, second The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Mycotoxin A toxin produced by a fungus. A mycotoxin may be formed when grains or some other products become moldy. From…
- Joint, knee The knee joint has three parts. The thigh bone (the femur) meets the large shin bone (the tibia) to form the…
- Retrograde amnesia Amnesia in which the lack of memory relates to events that occurred before a traumatic event. Retrograde…
- Absinthe Once a major medical hazard, absinthe is an emerald-green liqueur flavored with extracts of the wormwood…
- Inner ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…