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).
Progestin
Any one of a group of steroid hormones that have the effect of progesterone
Read the definitionRandom terms
Show more- Common cold Common cold: A viral upper respiratory tract infection. This contagious illness can be caused by many…
- Radiation fibrosis Scarring of the lungs from radiation. Radiation fibrosis is a sequel of radiation pneumonitis (inflammation…
- Thioxanthene One of a group of drugs with antipsychotic activity which act by blocking postsynaptic (after-the-nerve)…
- Angiostatin Angiostatin is a piece (a fragment) of a protein, plasminogen, used normally in blood clotting. This fragment…
- Aspiration, joint A procedure whereby a sterile needle and syringe are used to drain joint fluid from the joint. This is…
- Bacille Calmette Guerin An effective immunization against tuberculosis. Commonly abbreviated BCG, it is an attenuated (weakened)…
- Radical neck dissection A surgical procedure involving the removal of a tumor from the neck with an additional margin of normal…
- Cauda equina syndrome Impairment of the nerves in the cauda equina, the bundle of spinal nerve roots that arise from the lower end…
- Abdominal hysterectomy Surgical removal of the uterus (a hysterectomy) done through an incision made in the abdominal wall. As…
- Reaven syndrome See: Metabolic syndrome
- Beard The hair that normally grows on the male face after puberty. Testosterone, the most potent of the naturally…
- Papillomatosis, laryngeal Laryngeal papillomatosis is the growth of numerous warty growths on the vocal cords. The disease is most…