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).
Sebaceous gland
A normal gland of the skin which empties an oily secretion into the hair follicle near the surface of the skin
Read the definitionRandom terms
Show more- Sign, Babinski A neurologic reflex that constitutes an important medical examination based upon what the big toe does when…
- Prosthesis An artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the…
- Lanugo Downy hair on the body of the fetus and newborn baby. It is the first hair to be produced by the fetal hair…
- Shock, anaphylactic A life-threatening allergic reaction characterized by a swelling of body tissues including the throat…
- Uremia The presence of excessive amounts of urea in the blood, which may be a sign of kidney disease or failure. See…
- Lymphoproliferative Referring to the proliferation of the bone marrow cells that give rise to lymphoid cells (such as lymphocytes…
- MECP2 (methyl-CpG-binding protein-2) An enzyme which, when mutated, results in RTT (Rett syndrome), a genetic disease that is a uniform and…
- Xanth- (prefix) A colorful prefix relating to a yellow color. 'Xanth-' is related to the word 'xanthic' which has its roots…
- Thrombotic disease due to protein C deficiency Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation…
- Zoophobia An abnormal and persistent fear of animals. A phobia is an unreasonable fear that can cause avoidance and…
- Hospice A program or facility that provides special care for people who are near the end of life and for their…
- Zooparasite A living parasite, such as a worm or protozoa