MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Alveolus
One of the tiny air sacs located at the very ends of the bronchioles within the lungs where the exchange of oxygen and carbon dioxide takes place. The alveolus looks like a cell in a honeycomb. The word comes from the Latin diminutive of…
Read the definitionRandom terms
Show more- KHM Keratoderma hereditarium mutilans. See: Vohwinkel syndrome
- Psychological imprinting A remarkable genetic phenomenon that occurs in animals, and theoretically humans, in the first hours of life…
- Video-assisted surgery A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Corneal dystrophy, Fuchs endothelial A common adult-onset form of corneal dystrophy with autosomal dominant inheritance. The disorder is caused by…
- Dystocia, placental See: Placental dystocia
- Lips Aside from the lips of the mouth, there are two pairs of lips at the entrance to the vagina. They are the…
- Pap test A screening test for cervical cancer based on the examination under the microscope of cells collected from…
- Oral surgeon A dentist with special training in surgery of the mouth and jaw.
- Microscopy The examination of minute objects by means of a microscope, an instrument which provides an enlarged image of…
- Cor pulmonale Heart disease that results from abnormally high resistance to the passage of blood through the lungs; it…
- Costochondritis Costochondritis is inflammation of the cartilage of the chest wall, usually involving that which surrounds…
- Counselor, genetic A health professional with a specialized graduate degree and experience in the areas of medical genetics and…