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).
Defecation syncope
The temporary loss of consciousness (syncope) upon defecating (having a bowel movement). Syncope is the temporary loss of consciousness or, in plain English, fainting. The situations that trigger this reaction are diverse and include…
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Show more- Germ line 1. The sequence of cells which develop into eggs and sperm. 2. Inherited material that comes from the eggs or…
- Introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Jaw The bones below the mouth (the mandible) and the bone above the mouth just above the mouth (the maxilla). The…
- Dysphagia Difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is…
- Ophthalmic migraine Migraine involving the eyes but without headache. Migraine, due to a spasm of blood vessels in the brain…
- Electrophoretic Pertaining to electrophoresis, the separation of molecules according to their size and electrical charge by…
- Oryzomys palustris See: Rice rat
- Stop codon A set of three adjacent bases in the DNA or their complementary bases in messenger RNA that specifies the end…
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…
- Disease, Hodgkin (adult) A type of lymphoma (cancer of the lymphatic system). The most common symptom is painless swelling of the…
- Dermatologic Having to do with the skin
- Supination Rotation of the forearm and hand so that the palm is up (and the corresponding movement of the foot and leg…