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.
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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).
Genome, mitochondrial
All of the genetic information contained in the chromosome of the mitochondrion, a structure located in the cytoplasm outside the nucleus of the cell. The nucleus houses the better known chromosomal genome, our complement of chromosomes…
Read the definitionRandom terms
Show more- SEM Scanning electron microscope
- Feet The plural of foot, both an anatomic structure and a unit of measure. As an anatomic structure, the foot is…
- Syndrome, fetal alcohol (FAS) The sum total of a person's problems caused by maternal alcohol intake during pregnancy
- Disease, Canavan A severe progressive inherited (genetic) disorder of the central nervous system (CNS). The signs of Canavan…
- Electrolysis Electrolysis: Permanent removal of body hair, including the hair root, with an electronic device. While it is…
- Diffuse mastocytosis A form of mastocytosis in which the entire skin is thickened and leathery with generalized reddening and…
- Annulus A ringlike structure, or any body part that is shaped like a ring. Applied to many small ring-shaped…
- Ventricles 1, The right ventricle and the left ventricle, the lower two chambers of the heart. 2. Two or more of the…
- Storm surge The onshore rush of sea or lake water caused primarily by the high winds that are associated with a…
- Ossification The process of creating bone, that is of transforming cartilage (or fibrous tissue) into bone. The human…
- Axillary Pertaining to the cavity beneath the junction of the arm and the body, better known as the armpit. The word…
- Peanut allergy An allergic reaction to peanuts, the leading cause of anaphylaxis, the most severe and potentially life…