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).
Pronucleus
A cell nucleus with a haploid set of chromosomes (23 chromosomes in humans) resulting from meiosis (germ-cell division). The male pronucleus is the sperm nucleus after it has entered the ovum at fertilization but before fusion with the…
Read the definitionRandom terms
Show more- Selenoprotein A peculiar class of proteins that contain the essential trace element selenium. The selenium in these…
- Hodgkin, Dorothy British crystallographer and Nobel Prize winner (1910-1994). Dorothy Crowfoot, as she was born, was educated…
- Skute barbata See: Scutellaria barbata
- SGOT Serum glutamic oxaloacetic transaminase, an enzyme that is normally present in liver and heart cells. SGOT is…
- Training, cross Doing two or more aerobic activities such as jogging, bicycling, and swimming on a regular basis
- Histamine cephalalgia A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- Nyctanopia Impaired vision in dim light and in the dark, due to impaired function of the rods in the retina. Night…
- Periodontal disease A bacterial infection that destroys the attachment fibers and supporting bone that hold the teeth in the…
- FEMA A name well known to people in the US who have experienced a major natural or made-man disaster. FEMA stands…
- Amyl- (Amylo- before a consonant.) A prefix pertaining to starch. From the Greek amylon, meaning starch
- Fear of cold An abnormal and persistent fear of cold, including cold weather and cold objects. Sufferers of this fear…
- Kyphosis, postmenopausal cervical An outward curvature (kyphosis) of the cervical vertebrae (the bones of the neck), creating a hump at the…